extban() POD

	modified:   lib/IRC/Toolkit/ISupport.pm
IRC::Toolkit::Modes::mode_array_to_str()

	modified:   lib/IRC/Mode/Set.pm
  modified:   lib/IRC/Toolkit/Modes.pm
	modified:   t/02_util/modes.t
Cleanups

	modified:   lib/IRC/Toolkit/Case.pm
	modified:   lib/IRC/Toolkit/ISupport.pm
mode_array_to_str -> array_to_mode
.gitignore