Peter M. Groen / cxxopts

Minor change to the positional option description in README.

* 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.

Fixes #311.

…n on the command-line. (#247)

Fixes #201. Parse char type correctly and check for length.

Fixes #202.

Improve parsing into std::vector so that a single argument can take a list.

Fixes #157. Fix the wording in the README about booleans.

Fixes #82. This allows the help string after the program name to be
completely replaced by the user.

add booleans into the changelog and the readme

Fixes #37.

A long option is required, a short option is not.

This closes issue #20.