Peter M. Groen / cxxopts

…ded end-of-namespace comment (#351)

* Fixes #345, fixes #346, regards #340: Put exceptions in a sub-namespace and renamed them accordingly.

* Also fixed some "loose ends" regarding namespace indentation which were missing in PR #350.

* Dropped `required_option_missing` as it is unused.

Memory leak was caused by `exit`.

* Namespace no longer induce indentation
* Namespace opening brace now on same line as namespace name
* Namespace closing brace now has an empty line before it unless the namespace contents were short and with no empty lines
* Namespace closing brace now always followed by a comment with the closed namespace' name

* Solve `arguments()` showing empty keys when there is only a short option.

Ref #242. Adds an example in the example file showing the unmatched
arguments that are stored.

Fixes #324

Fixes 323. Adds a function to retrieve the program name.

* Add iterator (#126) and easily print-out (#223) to ParseResult

Fixes #312.

Fixes #311.

Fixes #303

Fixes #204.

Fixes #277. Makes integer parsing to be more general and allow whatever
types the user actually uses instead of hard coding a set of integers.

Fixes #288.

* Support option value being attached after the option without a space in between. e.g. -j5

Fix bug where option name is missing in error.

* -Wsuggest-override is not supported by gcc before 5.0
* GCC prior to 5.0 should ignore not only -Wnon-virtual-dtor but also -Weffc++, otherwise non-virtual destructor problems will still be reported.
* The `#pragma GCC diagnostic push' should be used before setting up the temporary environment.
* When using GCC4.8, use manual lexical analysis instead of regular expressions.
* Add gcc4.8 stuff to travis file.

* -Wsuggest-override is not supported by gcc before 5.0

* GCC prior to 5.0 should ignore not only -Wnon-virtual-dtor but also -Weffc++, otherwise non-virtual destructor problems will still be reported.

* The `#pragma GCC diagnostic push' should be used before setting up the temporary environment.