Add Role::CaseMap

	modified:   dist.ini
	modified:   lib/IRC/Message/Object.pm
	modified:   lib/IRC/Toolkit.pm
	new file:   lib/IRC/Toolkit/Role/CaseMap.pm
	new file:   t/05_role/casemap.t
POD fix

	modified:   lib/IRC/Toolkit/Role/CaseMap.pm
v0.081000

  Add IRC::Toolkit::Role::CaseMap

  Add ISupport->extban->as_string & ->chanmodes->as_string

  Import parse_isupport() by default on 'use IRC::Toolkit'