diff --git a/sql/mysql/upgrade/3.5.1/1.1.2-to-1.2.0.sql b/sql/mysql/upgrade/3.5.1/1.1.2-to-1.2.0.sql
new file mode 100644
index 0000000..91b82d8
--- /dev/null
+++ b/sql/mysql/upgrade/3.5.1/1.1.2-to-1.2.0.sql
@@ -0,0 +1,176 @@
+CREATE TABLE archive_restoration_request (
+id INTEGER NOT NULL UNIQUE AUTO_INCREMENT,
+document_id INTEGER NOT NULL,
+request_user_id INTEGER NOT NULL,
+admin_user_id INTEGER NOT NULL,
+datetime DATETIME NOT NULL
+)  TYPE = InnoDB;
+ALTER TABLE archiving_settings ADD COLUMN archiving_type_id INTEGER NOT NULL;
+DROP TABLE archiving_date_settings;
+DROP TABLE archiving_utilisation_settings;
+RENAME TABLE document_archiving TO document_archiving_link;
+ALTER TABLE document_archiving_link DROP COLUMN archiving_type_id;
+ALTER TABLE document_text ADD INDEX document_text_document_id_indx (document_id);
+ALTER TABLE help MODIFY id INTEGER NOT NULL UNIQUE AUTO_INCREMENT;
+ALTER TABLE search_document_user_link ADD INDEX search_document_user_link_user_id_indx (user_id);
+ALTER TABLE search_document_user_link ADD INDEX search_document_user_link_document_id_indx (document_id);
+DROP TABLE site_sections_lookup;
+DROP TABLE site_access_lookup;
+DROP TABLE sitemap;
+DROP TABLE sys_deleted;
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('sxw', 'application/vnd.sun.xml.writer', 'icons/oowriter.gif');
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('stw','application/vnd.sun.xml.writer.template', 'icons/oowriter.gif');
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('sxc','application/vnd.sun.xml.calc', 'icons/oocalc.gif');
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('stc','application/vnd.sun.xml.calc.template', 'icons/oocalc.gif');
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('sxd','application/vnd.sun.xml.draw', NULL);
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('std','application/vnd.sun.xml.draw.template', NULL);
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('sxi','application/vnd.sun.xml.impress', 'icons/ooimpress.gif');
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('sti','application/vnd.sun.xml.impress.template', 'icons/ooimpress.gif');
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('sxg','application/vnd.sun.xml.writer.global', NULL);
+INSERT INTO mime_types (filetypes, mimetypes, icon_path) VALUES ('sxm','application/vnd.sun.xml.math', NULL);
+INSERT INTO system_settings (name, value) values ("knowledgeTreeVersion", "1.2.0");
+INSERT INTO document_transaction_types_lookup (name) VALUES ("Expunge");
+INSERT INTO document_transaction_types_lookup (name) VALUES ("Force CheckIn");
+INSERT INTO document_transaction_types_lookup (name) VALUES ("Email Link");
+INSERT INTO document_transaction_types_lookup (name) VALUES ("Collaboration Step Approve");
+INSERT INTO help VALUES (1,'browse','dochelp.html');
+INSERT INTO help VALUES (2,'dashboard','dashboardHelp.html');
+INSERT INTO help VALUES (3,'addFolder','addFolderHelp.html');
+INSERT INTO help VALUES (4,'editFolder','editFolderHelp.html');
+INSERT INTO help VALUES (5,'addFolderCollaboration','addFolderCollaborationHelp.html');
+INSERT INTO help VALUES (6,'modifyFolderCollaboration','addFolderCollaborationHelp.html');
+INSERT INTO help VALUES (7,'addDocument','addDocumentHelp.html');
+INSERT INTO help VALUES (8,'viewDocument','viewDocumentHelp.html');
+INSERT INTO help VALUES (9,'modifyDocument','modifyDocumentHelp.html');
+INSERT INTO help VALUES (10,'modifyDocumentRouting','modifyDocumentRoutingHelp.html');
+INSERT INTO help VALUES (11,'emailDocument','emailDocumentHelp.html');
+INSERT INTO help VALUES (12,'deleteDocument','deleteDocumentHelp.html');
+INSERT INTO help VALUES (13,'administration','administrationHelp.html');
+INSERT INTO help VALUES (14,'addGroup','addGroupHelp.html');
+INSERT INTO help VALUES (15,'editGroup','editGroupHelp.html');
+INSERT INTO help VALUES (16,'removeGroup','removeGroupHelp.html');
+INSERT INTO help VALUES (17,'assignGroupToUnit','assignGroupToUnitHelp.html');
+INSERT INTO help VALUES (18,'removeGroupFromUnit','removeGroupFromUnitHelp.html');
+INSERT INTO help VALUES (19,'addUnit','addUnitHelp.html');
+INSERT INTO help VALUES (20,'editUnit','editUnitHelp.html');
+INSERT INTO help VALUES (21,'removeUnit','removeUnitHelp.html');
+INSERT INTO help VALUES (22,'addOrg','addOrgHelp.html');
+INSERT INTO help VALUES (23,'editOrg','editOrgHelp.html');
+INSERT INTO help VALUES (24,'removeOrg','removeOrgHelp.html');
+INSERT INTO help VALUES (25,'addRole','addRoleHelp.html');
+INSERT INTO help VALUES (26,'editRole','editRoleHelp.html');
+INSERT INTO help VALUES (27,'removeRole','removeRoleHelp.html');
+INSERT INTO help VALUES (28,'addLink','addLinkHelp.html');
+INSERT INTO help VALUES (29,'addLinkSuccess','addLinkHelp.html');
+INSERT INTO help VALUES (30,'editLink','editLinkHelp.html');
+INSERT INTO help VALUES (31,'removeLink','removeLinkHelp.html');
+INSERT INTO help VALUES (32,'systemAdministration','systemAdministrationHelp.html');
+INSERT INTO help VALUES (33,'deleteFolder','deleteFolderHelp.html');
+INSERT INTO help VALUES (34,'editDocType','editDocTypeHelp.html');
+INSERT INTO help VALUES (35,'removeDocType','removeDocTypeHelp.html');
+INSERT INTO help VALUES (36,'addDocType','addDocTypeHelp.html');
+INSERT INTO help VALUES (37,'addDocTypeSuccess','addDocTypeHelp.html');
+INSERT INTO help VALUES (38,'manageSubscriptions','manageSubscriptionsHelp.html');
+INSERT INTO help VALUES (39,'addSubscription','addSubscriptionHelp.html');
+INSERT INTO help VALUES (40,'removeSubscription','removeSubscriptionHelp.html');
+INSERT INTO help VALUES (41,'preferences','preferencesHelp.html');
+INSERT INTO help VALUES (42,'editPrefsSuccess','preferencesHelp.html');
+INSERT INTO help VALUES (43,'modifyDocumentGenericMetaData','modifyDocumentGenericMetaDataHelp.html');
+INSERT INTO help VALUES (44,'viewHistory','viewHistoryHelp.html');
+INSERT INTO help VALUES (45,'checkInDocument','checkInDocumentHelp.html');
+INSERT INTO help VALUES (46,'checkOutDocument','checkOutDocumentHelp.html');
+INSERT INTO help VALUES (47,'advancedSearch','advancedSearchHelp.html');
+INSERT INTO help VALUES (48,'deleteFolderCollaboration','deleteFolderCollaborationHelp.html');
+INSERT INTO help VALUES (49,'addFolderDocType','addFolderDocTypeHelp.html');
+INSERT INTO help VALUES (50,'deleteFolderDocType','deleteFolderDocTypeHelp.html');
+INSERT INTO help VALUES (51,'addGroupFolderLink','addGroupFolderLinkHelp.html');
+INSERT INTO help VALUES (52,'deleteGroupFolderLink','deleteGroupFolderLinkHelp.html');
+INSERT INTO help VALUES (53,'addWebsite','addWebsiteHelp.html');
+INSERT INTO help VALUES (54,'addWebsiteSuccess','addWebsiteHelp.html');
+INSERT INTO help VALUES (55,'editWebsite','editWebsiteHelp.html');
+INSERT INTO help VALUES (56,'removeWebSite','removeWebSiteHelp.html');
+INSERT INTO help VALUES (57,'standardSearch','standardSearchHelp.html');
+INSERT INTO help VALUES (58,'modifyDocumentTypeMetaData','modifyDocumentTypeMetaDataHelp.html');
+INSERT INTO help VALUES (59,'addDocField','addDocFieldHelp.html');
+INSERT INTO help VALUES (60,'editDocField','editDocFieldHelp.html');
+INSERT INTO help VALUES (61,'removeDocField','removeDocFieldHelp.html');
+INSERT INTO help VALUES (62,'addMetaData','addMetaDataHelp.html');
+INSERT INTO help VALUES (63,'editMetaData','editMetaDataHelp.html');
+INSERT INTO help VALUES (64,'removeMetaData','removeMetaDataHelp.html');
+INSERT INTO help VALUES (65,'addUser','addUserHelp.html');
+INSERT INTO help VALUES (66,'editUser','editUserHelp.html');
+INSERT INTO help VALUES (67,'removeUser','removeUserHelp.html');
+INSERT INTO help VALUES (68,'addUserToGroup','addUserToGroupHelp.html');
+INSERT INTO help VALUES (69,'removeUserFromGroup','removeUserFromGroupHelp.html');
+INSERT INTO help VALUES (70,'viewDiscussion','viewDiscussionThread.html');
+INSERT INTO help VALUES (71,'addComment','addDiscussionComment.html');
+INSERT INTO help VALUES (72,'listNews','listDashboardNewsHelp.html');
+INSERT INTO help VALUES (73,'editNews','editDashboardNewsHelp.html');
+INSERT INTO help VALUES (74,'previewNews','previewDashboardNewsHelp.html');
+INSERT INTO help VALUES (75,'addNews','addDashboardNewsHelp.html');
+INSERT INTO help VALUES (76,'modifyDocumentArchiveSettings','modifyDocumentArchiveSettingsHelp.html');
+INSERT INTO help VALUES (77,'addDocumentArchiveSettings','addDocumentArchiveSettingsHelp.html');
+INSERT INTO help VALUES (78,'listDocFields','listDocumentFieldsAdmin.html');
+INSERT INTO help VALUES (79,'editDocFieldLookups','editDocFieldLookups.html');
+INSERT INTO help VALUES (80,'addMetaDataForField','addMetaDataForField.html'); 
+INSERT INTO help VALUES (81,'editMetaDataForField','editMetaDataForField.html'); 
+INSERT INTO help VALUES (82,'removeMetaDataFromField','removeMetaDataFromField.html'); 
+INSERT INTO help VALUES (83,'listDocs','listDocumentsCheckoutHelp.html'); 
+INSERT INTO help VALUES (84,'editDocCheckout','editDocCheckoutHelp.html'); 
+INSERT INTO help VALUES (85,'listDocTypes','listDocTypesHelp.html'); 
+INSERT INTO help VALUES (86,'editDocTypeFields','editDocFieldHelp.html'); 
+INSERT INTO help VALUES (87,'addDocTypeFieldsLink','addDocTypeFieldHelp.html'); 
+INSERT INTO help VALUES (88,'listGroups','listGroupsHelp.html'); 
+INSERT INTO help VALUES (89,'editGroupUnit','editGroupUnitHelp.html'); 
+INSERT INTO help VALUES (90,'listOrg','listOrgHelp.html'); 
+INSERT INTO help VALUES (91,'listRole','listRolesHelp.html'); 
+INSERT INTO help VALUES (92,'listUnits','listUnitHelp.html'); 
+INSERT INTO help VALUES (93,'editUnitOrg','editUnitOrgHelp.html'); 
+INSERT INTO help VALUES (94,'removeUnitFromOrg','removeUnitFromOrgHelp.html'); 
+INSERT INTO help VALUES (95,'addUnitToOrg','addUnitToOrgHelp.html'); 
+INSERT INTO help VALUES (96,'listUsers','listUsersHelp.html'); 
+INSERT INTO help VALUES (97,'editUserGroups','editUserGroupsHelp.html'); 
+INSERT INTO help VALUES (98,'listWebsites','listWebsitesHelp.html');
+
+ALTER TABLE folders ADD COLUMN inherit_parent_folder_permission BIT;
+UPDATE folders SET inherit_parent_folder_permission = 1;
+
+DELETE FROM organisations_lookup;
+DELETE FROM units_lookup;
+DELETE FROM units_organisations_link;
+DELETE FROM groups_lookup;
+DELETE FROM groups_units_link;
+DELETE FROM users;
+DELETE FROM users_groups_link;
+DELETE FROM folders;
+DELETE FROM document_types_lookup;
+
+-- organisation
+INSERT INTO organisations_lookup (name) VALUES ("Default Organisation");
+-- units
+INSERT INTO units_lookup (name) VALUES ("Default Unit");
+INSERT INTO units_organisations_link (unit_id, organisation_id) VALUES (1, 1);
+-- setup groups
+INSERT INTO groups_lookup (id, name, is_sys_admin, is_unit_admin) VALUES (1,"System Administrators", 1, 0); -- id=1
+INSERT INTO groups_lookup (id, name, is_sys_admin, is_unit_admin) VALUES (2,"Unit Administrators", 0, 1); -- id=2
+INSERT INTO groups_lookup (id, name, is_sys_admin, is_unit_admin) VALUES (3,"Anonymous", 0, 0); -- id=3
+-- unit administrators
+INSERT INTO groups_units_link (group_id, unit_id) VALUES (2, 1);
+-- system administrator
+-- passwords are md5'ed
+INSERT INTO users (id, username, name, password, quota_max, quota_current, email, mobile, email_notification, sms_notification, ldap_dn, max_sessions, language_id)
+            VALUES (1,"admin", "Administrator", "21232f297a57a5a743894a0e4a801fc3", "0", "0", "", "", 1, 1, "", 1, 1);
+INSERT INTO users_groups_link (group_id, user_id) VALUES (1, 1);
+-- unit administrator
+INSERT INTO users (id, username, name, password, quota_max, quota_current, email, mobile, email_notification, sms_notification, ldap_dn, max_sessions, language_id)
+            VALUES (2,"unitAdmin", "Unit Administrator", "21232f297a57a5a743894a0e4a801fc3", "0", "0", "", "", 1, 1, "", 1, 1);
+INSERT INTO users_groups_link (group_id, user_id) VALUES (2, 2);
+-- guest user
+INSERT INTO users (id, username, name, password, quota_max, quota_current, email, mobile, email_notification, sms_notification, ldap_dn, max_sessions, language_id)
+            VALUES (3,"guest", "Anonymous", "084e0343a0486ff05530df6c705c8bb4", "0", "0", "", "", 0, 0, "", 19, 1);
+INSERT INTO users_groups_link (group_id, user_id) VALUES (3, 3);
+-- define folder structure
+INSERT INTO folders (id,name, description, parent_id, creator_id, unit_id, is_public)
+             VALUES (1,"Root Folder", "Root Document Folder", 0, 1, 0, 0);
+INSERT INTO folders (name, description, parent_id, creator_id, unit_id, is_public, parent_folder_ids, full_path)
+             VALUES ("Default Unit", "Default Unit Root Folder", 1, 1, 1, 0, "1", "Root Folder");
\ No newline at end of file
diff --git a/sql/mysql/upgrade/3.5.1/1.2.0-to-1.2.1.sql b/sql/mysql/upgrade/3.5.1/1.2.0-to-1.2.1.sql
new file mode 100644
index 0000000..516f65f
--- /dev/null
+++ b/sql/mysql/upgrade/3.5.1/1.2.0-to-1.2.1.sql
@@ -0,0 +1,3 @@
+ALTER TABLE folders ADD COLUMN inherit_parent_folder_permission BIT;
+UPDATE folders SET inherit_parent_folder_permission = 1;
+UPDATE system_settings SET value="1.2.1" WHERE name="knowledgeTreeVersion";
\ No newline at end of file
diff --git a/sql/mysql/upgrade/3.5.1/1.2.1-to-1.2.2.sql b/sql/mysql/upgrade/3.5.1/1.2.1-to-1.2.2.sql
new file mode 100644
index 0000000..1f629d0
--- /dev/null
+++ b/sql/mysql/upgrade/3.5.1/1.2.1-to-1.2.2.sql
@@ -0,0 +1,2 @@
+ALTER TABLE discussion_comments ADD COLUMN in_reply_to INTEGER;
+UPDATE system_settings SET value="1.2.2" WHERE name="knowledgeTreeVersion";
\ No newline at end of file
diff --git a/sql/mysql/upgrade/3.5.1/1.2.2-to-1.2.3.sql b/sql/mysql/upgrade/3.5.1/1.2.2-to-1.2.3.sql
new file mode 100644
index 0000000..b6f4b9e
--- /dev/null
+++ b/sql/mysql/upgrade/3.5.1/1.2.2-to-1.2.3.sql
@@ -0,0 +1,52 @@
+UPDATE system_settings SET value="1.2.3" WHERE name="knowledgeTreeVersion";
+
+-- indexes on important FKs
+ALTER TABLE active_sessions ADD INDEX session_id_idx (session_id);
+ALTER TABLE documents ADD INDEX fk_document_type_id (document_type_id);
+ALTER TABLE documents ADD INDEX fk_creator_id (creator_id);
+ALTER TABLE documents ADD INDEX fk_folder_id (folder_id);
+ALTER TABLE documents ADD INDEX fk_checked_out_user_id (checked_out_user_id);
+ALTER TABLE documents ADD INDEX fk_status_id (status_id);
+ALTER TABLE document_transactions ADD INDEX fk_document_id (document_id);
+ALTER TABLE document_transactions ADD INDEX fk_user_id (user_id);
+ALTER TABLE document_transactions ADD INDEX fk_transaction_id (transaction_id);
+ALTER TABLE folders ADD INDEX fk_parent_id (parent_id);
+ALTER TABLE folders ADD INDEX fk_creator_id (creator_id);
+ALTER TABLE folders ADD INDEX fk_unit_id (unit_id);
+ALTER TABLE folder_doctypes_link ADD INDEX fk_folder_id (folder_id);
+ALTER TABLE folder_doctypes_link ADD INDEX fk_document_type_id (document_type_id);
+ALTER TABLE groups_folders_link ADD INDEX fk_group_id (group_id);
+ALTER TABLE groups_folders_link ADD INDEX fk_folder_id (folder_id);
+ALTER TABLE groups_units_link ADD INDEX fk_group_id (group_id);
+ALTER TABLE groups_units_link ADD INDEX fk_unit_id (unit_id);
+ALTER TABLE search_document_user_link ADD INDEX fk_user_id (user_id);
+ALTER TABLE search_document_user_link ADD INDEX fk_document_ids (document_id);
+ALTER TABLE units_organisations_link ADD INDEX fk_unit_id (unit_id);
+ALTER TABLE units_organisations_link ADD INDEX fk_organisation_id (organisation_id);
+ALTER TABLE users_groups_link ADD INDEX fk_user_id (user_id);
+ALTER TABLE users_groups_link ADD INDEX fk_group_id (group_id);
+
+-- char -> varchar
+ALTER TABLE active_sessions MODIFY session_id VARCHAR(255), MODIFY ip VARCHAR(30);
+ALTER TABLE archiving_type_lookup MODIFY name VARCHAR(100);
+ALTER TABLE data_types MODIFY name VARCHAR(255);
+ALTER TABLE documents MODIFY description VARCHAR(200);
+ALTER TABLE document_fields MODIFY name VARCHAR(255), MODIFY data_type VARCHAR(100);
+ALTER TABLE document_fields_link MODIFY value VARCHAR(255);
+ALTER TABLE document_transactions MODIFY version VARCHAR(50), MODIFY ip VARCHAR(30), MODIFY filename VARCHAR(255), MODIFY comment VARCHAR(255);
+ALTER TABLE document_transaction_types_lookup MODIFY name VARCHAR(100);
+ALTER TABLE document_types_lookup MODIFY name VARCHAR(100);
+ALTER TABLE folders MODIFY name VARCHAR(255), MODIFY description VARCHAR(255);
+ALTER TABLE groups_lookup MODIFY name VARCHAR(100);
+ALTER TABLE links MODIFY name VARCHAR(100), MODIFY url VARCHAR(100);
+ALTER TABLE metadata_lookup MODIFY name VARCHAR(255);
+ALTER TABLE mime_types MODIFY filetypes VARCHAR(100), MODIFY mimetypes VARCHAR(100), MODIFY icon_path VARCHAR(255);
+ALTER TABLE organisations_lookup MODIFY name VARCHAR(100);
+ALTER TABLE roles MODIFY name VARCHAR(255);
+ALTER TABLE status_lookup MODIFY name VARCHAR(255);
+ALTER TABLE system_settings MODIFY name VARCHAR(255), MODIFY value VARCHAR(255);
+ALTER TABLE time_unit_lookup MODIFY name VARCHAR(100);
+ALTER TABLE units_lookup MODIFY name VARCHAR(100);
+ALTER TABLE users MODIFY username VARCHAR(255), MODIFY name VARCHAR(255), MODIFY password VARCHAR(255), MODIFY email VARCHAR(255), MODIFY mobile VARCHAR(255), MODIFY ldap_dn VARCHAR(255);
+ALTER TABLE web_documents_status_lookup MODIFY name VARCHAR(50);
+ALTER TABLE web_sites MODIFY web_site_name VARCHAR(100), MODIFY web_site_url VARCHAR(50);
\ No newline at end of file
diff --git a/sql/mysql/upgrade/3.5.1/1.2.3-to-1.2.4.sql b/sql/mysql/upgrade/3.5.1/1.2.3-to-1.2.4.sql
new file mode 100644
index 0000000..23e9425
--- /dev/null
+++ b/sql/mysql/upgrade/3.5.1/1.2.3-to-1.2.4.sql
@@ -0,0 +1 @@
+UPDATE system_settings SET value="1.2.4" WHERE name="knowledgeTreeVersion";
\ No newline at end of file
diff --git a/sql/mysql/upgrade/3.5.1/1.2.4-to-2.0.0.sql b/sql/mysql/upgrade/3.5.1/1.2.4-to-2.0.0.sql
new file mode 100644
index 0000000..b2a2fe1
--- /dev/null
+++ b/sql/mysql/upgrade/3.5.1/1.2.4-to-2.0.0.sql
@@ -0,0 +1,417 @@
+UPDATE system_settings SET value="2.0.0" WHERE name="knowledgeTreeVersion";
+
+DROP TABLE IF EXISTS zseq_active_sessions;
+CREATE TABLE zseq_active_sessions (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_active_sessions` SELECT MAX(`id`) FROM `active_sessions`;
+ALTER TABLE `active_sessions` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_archive_restoration_request;
+CREATE TABLE zseq_archive_restoration_request (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_archive_restoration_request` SELECT MAX(`id`) FROM `archive_restoration_request`;
+ALTER TABLE `archive_restoration_request` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_archiving_settings;
+CREATE TABLE zseq_archiving_settings (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_archiving_settings` SELECT MAX(`id`) FROM `archiving_settings`;
+ALTER TABLE `archiving_settings` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_archiving_type_lookup;
+CREATE TABLE zseq_archiving_type_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_archiving_type_lookup` SELECT MAX(`id`) FROM `archiving_type_lookup`;
+ALTER TABLE `archiving_type_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_data_types;
+CREATE TABLE zseq_data_types (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_data_types` SELECT MAX(`id`) FROM `data_types`;
+ALTER TABLE `data_types` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_dependant_document_instance;
+CREATE TABLE zseq_dependant_document_instance (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_dependant_document_instance` SELECT MAX(`id`) FROM `dependant_document_instance`;
+ALTER TABLE `dependant_document_instance` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_dependant_document_template;
+CREATE TABLE zseq_dependant_document_template (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_dependant_document_template` SELECT MAX(`id`) FROM `dependant_document_template`;
+ALTER TABLE `dependant_document_template` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_discussion_comments;
+CREATE TABLE zseq_discussion_comments (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_discussion_comments` SELECT MAX(`id`) FROM `discussion_comments`;
+ALTER TABLE `discussion_comments` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_discussion_threads;
+CREATE TABLE zseq_discussion_threads (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_discussion_threads` SELECT MAX(`id`) FROM `discussion_threads`;
+ALTER TABLE `discussion_threads` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_document_archiving_link;
+CREATE TABLE zseq_document_archiving_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_document_archiving_link` SELECT MAX(`id`) FROM `document_archiving_link`;
+ALTER TABLE `document_archiving_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_document_fields;
+CREATE TABLE zseq_document_fields (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_document_fields` SELECT MAX(`id`) FROM `document_fields`;
+ALTER TABLE `document_fields` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_document_fields_link;
+CREATE TABLE zseq_document_fields_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_document_fields_link` SELECT MAX(`id`) FROM `document_fields_link`;
+ALTER TABLE `document_fields_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_document_link;
+CREATE TABLE zseq_document_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_document_link` SELECT MAX(`id`) FROM `document_link`;
+ALTER TABLE `document_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_document_subscriptions;
+CREATE TABLE zseq_document_subscriptions (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_document_subscriptions` SELECT MAX(`id`) FROM `document_subscriptions`;
+ALTER TABLE `document_subscriptions` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_document_transaction_types_lookup;
+CREATE TABLE zseq_document_transaction_types_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_document_transaction_types_lookup` SELECT MAX(`id`) FROM `document_transaction_types_lookup`;
+ALTER TABLE `document_transaction_types_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_document_transactions;
+CREATE TABLE zseq_document_transactions (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_document_transactions` SELECT MAX(`id`) FROM `document_transactions`;
+ALTER TABLE `document_transactions` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_document_type_fields_link;
+CREATE TABLE zseq_document_type_fields_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_document_type_fields_link` SELECT MAX(`id`) FROM `document_type_fields_link`;
+ALTER TABLE `document_type_fields_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_document_types_lookup;
+CREATE TABLE zseq_document_types_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_document_types_lookup` SELECT MAX(`id`) FROM `document_types_lookup`;
+ALTER TABLE `document_types_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_documents;
+CREATE TABLE zseq_documents (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_documents` SELECT MAX(`id`) FROM `documents`;
+ALTER TABLE `documents` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_folder_doctypes_link;
+CREATE TABLE zseq_folder_doctypes_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_folder_doctypes_link` SELECT MAX(`id`) FROM `folder_doctypes_link`;
+ALTER TABLE `folder_doctypes_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_folder_subscriptions;
+CREATE TABLE zseq_folder_subscriptions (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_folder_subscriptions` SELECT MAX(`id`) FROM `folder_subscriptions`;
+ALTER TABLE `folder_subscriptions` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_folders;
+CREATE TABLE zseq_folders (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_folders` SELECT MAX(`id`) FROM `folders`;
+ALTER TABLE `folders` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_folders_users_roles_link;
+CREATE TABLE zseq_folders_users_roles_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_folders_users_roles_link` SELECT MAX(`id`) FROM `folders_users_roles_link`;
+ALTER TABLE `folders_users_roles_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_groups_folders_approval_link;
+CREATE TABLE zseq_groups_folders_approval_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_groups_folders_approval_link` SELECT MAX(`id`) FROM `groups_folders_approval_link`;
+ALTER TABLE `groups_folders_approval_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_groups_folders_link;
+CREATE TABLE zseq_groups_folders_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_groups_folders_link` SELECT MAX(`id`) FROM `groups_folders_link`;
+ALTER TABLE `groups_folders_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_groups_lookup;
+CREATE TABLE zseq_groups_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_groups_lookup` SELECT MAX(`id`) FROM `groups_lookup`;
+ALTER TABLE `groups_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_groups_units_link;
+CREATE TABLE zseq_groups_units_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_groups_units_link` SELECT MAX(`id`) FROM `groups_units_link`;
+ALTER TABLE `groups_units_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_help;
+CREATE TABLE zseq_help (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_help` SELECT MAX(`id`) FROM `help`;
+ALTER TABLE `help` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_links;
+CREATE TABLE zseq_links (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_links` SELECT MAX(`id`) FROM `links`;
+ALTER TABLE `links` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_metadata_lookup;
+CREATE TABLE zseq_metadata_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_metadata_lookup` SELECT MAX(`id`) FROM `metadata_lookup`;
+ALTER TABLE `metadata_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_mime_types;
+CREATE TABLE zseq_mime_types (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_mime_types` SELECT MAX(`id`) FROM `mime_types`;
+ALTER TABLE `mime_types` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_news;
+CREATE TABLE zseq_news (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_news` SELECT MAX(`id`) FROM `news`;
+ALTER TABLE `news` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_organisations_lookup;
+CREATE TABLE zseq_organisations_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_organisations_lookup` SELECT MAX(`id`) FROM `organisations_lookup`;
+ALTER TABLE `organisations_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_roles;
+CREATE TABLE zseq_roles (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_roles` SELECT MAX(`id`) FROM `roles`;
+ALTER TABLE `roles` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+ALTER TABLE `search_document_user_link` DROP `id`;
+
+DROP TABLE IF EXISTS zseq_status_lookup;
+CREATE TABLE zseq_status_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_status_lookup` SELECT MAX(`id`) FROM `status_lookup`;
+ALTER TABLE `status_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_system_settings;
+CREATE TABLE zseq_system_settings (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_system_settings` SELECT MAX(`id`) FROM `system_settings`;
+ALTER TABLE `system_settings` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_time_period;
+CREATE TABLE zseq_time_period (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_time_period` SELECT MAX(`id`) FROM `time_period`;
+ALTER TABLE `time_period` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_time_unit_lookup;
+CREATE TABLE zseq_time_unit_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_time_unit_lookup` SELECT MAX(`id`) FROM `time_unit_lookup`;
+ALTER TABLE `time_unit_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_units_lookup;
+CREATE TABLE zseq_units_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_units_lookup` SELECT MAX(`id`) FROM `units_lookup`;
+ALTER TABLE `units_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_units_organisations_link;
+CREATE TABLE zseq_units_organisations_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_units_organisations_link` SELECT MAX(`id`) FROM `units_organisations_link`;
+ALTER TABLE `units_organisations_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_users;
+CREATE TABLE zseq_users (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_users` SELECT MAX(`id`) FROM `users`;
+ALTER TABLE `users` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_users_groups_link;
+CREATE TABLE zseq_users_groups_link (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_users_groups_link` SELECT MAX(`id`) FROM `users_groups_link`;
+ALTER TABLE `users_groups_link` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_web_documents;
+CREATE TABLE zseq_web_documents (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_web_documents` SELECT MAX(`id`) FROM `web_documents`;
+ALTER TABLE `web_documents` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_web_documents_status_lookup;
+CREATE TABLE zseq_web_documents_status_lookup (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_web_documents_status_lookup` SELECT MAX(`id`) FROM `web_documents_status_lookup`;
+ALTER TABLE `web_documents_status_lookup` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+DROP TABLE IF EXISTS zseq_web_sites;
+CREATE TABLE zseq_web_sites (
+  id int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (id)
+) TYPE=MyISAM;
+INSERT INTO `zseq_web_sites` SELECT MAX(`id`) FROM `web_sites`;
+ALTER TABLE `web_sites` CHANGE `id` `id` INT( 11 ) NOT NULL;
+
+
+ALTER TABLE `users` ADD UNIQUE (
+ `username` 
+); 
+ALTER TABLE `document_types_lookup` ADD UNIQUE (
+ `name` 
+);
+ALTER TABLE `groups_lookup` ADD UNIQUE (
+ `name` 
+); 
+ALTER TABLE `organisations_lookup` ADD UNIQUE (
+ `name` 
+); 
+ALTER TABLE `roles` ADD UNIQUE (
+ `name` 
+); 
+ALTER TABLE `units_lookup` ADD UNIQUE (
+`name`
+);
+
+DROP TABLE IF EXISTS `browse_criteria`;
+CREATE TABLE `browse_criteria` (
+  `id` int(11) NOT NULL default '0',
+  `criteria_id` int(11) NOT NULL default '0',
+  `precedence` int(11) NOT NULL default '0',
+  PRIMARY KEY  (`id`),
+  UNIQUE KEY `criteria_id` (`criteria_id`),
+  UNIQUE KEY `precedence` (`precedence`)
+) TYPE=InnoDB;
+
+INSERT INTO `browse_criteria` VALUES (1, -1, 0);
+INSERT INTO `browse_criteria` VALUES (2, -2, 1);
+INSERT INTO `browse_criteria` VALUES (3, -3, 2);
+INSERT INTO `browse_criteria` VALUES (4, -4, 3);
+INSERT INTO `browse_criteria` VALUES (5, -5, 4);
+
+DROP TABLE IF EXISTS `zseq_browse_criteria`;
+CREATE TABLE `zseq_browse_criteria` (
+  `id` int(10) unsigned NOT NULL auto_increment,
+  PRIMARY KEY  (`id`)
+) TYPE=MyISAM;
+
+INSERT INTO `zseq_browse_criteria` SELECT MAX(`id`) FROM `browse_criteria`;
+
+ALTER TABLE `folders` ADD `permission_folder_id` INT;
+ALTER TABLE `folders` ADD INDEX ( `permission_folder_id` ) ;
+
+ALTER TABLE `documents` ADD `created` DATETIME NOT NULL ;
+ALTER TABLE `documents` ADD INDEX ( `created` ) ;
+
+UPDATE documents AS D, document_transactions AS T SET D.created = T.datetime WHERE T.document_id = D.id AND T.transaction_id = 1;
+
+ALTER TABLE `document_text` DROP `id`;
diff --git a/sql/mysql/upgrade/3.5.1/2.0.0-to-2.0.1.sql b/sql/mysql/upgrade/3.5.1/2.0.0-to-2.0.1.sql
new file mode 100644
index 0000000..f86ce1b
--- /dev/null
+++ b/sql/mysql/upgrade/3.5.1/2.0.0-to-2.0.1.sql
@@ -0,0 +1 @@
+UPDATE system_settings SET value="2.0.1" WHERE name="knowledgeTreeVersion";
diff --git a/sql/mysql/upgrade/3.5.1/2.0.1-to-2.0.2.sql b/sql/mysql/upgrade/3.5.1/2.0.1-to-2.0.2.sql
new file mode 100644
index 0000000..23f5944
--- /dev/null
+++ b/sql/mysql/upgrade/3.5.1/2.0.1-to-2.0.2.sql
@@ -0,0 +1 @@
+UPDATE system_settings SET value="2.0.2" WHERE name="knowledgeTreeVersion";