Add tests.

	modified:   Build.PL
  modified:   lib/IRC/Message/Object.pm
	new file:   t/obj/message.t
	new file:   t/util/case.t
	new file:   t/util/colors.t
	new file:   t/util/ctcp.t
	new file:   t/util/mask.t
	new file:   t/util/modes.t
	new file:   t/util/parser.t