Adding functionality that allows commands to be hidden from usage output
add the possibility to have # comments in a @file
add possibility to allow parameter overwriting (and even disallowing it for certain parameters)
Merge pull request #199 from helllth/master

Improve @file possibilities
Merge pull request #191 from jconwell/master

Adding functionality that allows commands to be hidden from usage output
Doc update
Merge branch 'master' of github.com:cbeust/jcommander
propagate m_acceptUnknownOptions to addCommand
Merge pull request #202 from chilinglam/master

propagate m_acceptUnknownOptions to addCommand
Fix --.
Fix enumArgsFail.