Modes; properly support ISupport->chanmodes objs

	modified:   lib/IRC/Toolkit.pm
	modified:   lib/IRC/Toolkit/ISupport.pm
	modified:   lib/IRC/Toolkit/Modes.pm
	modified:   t/02_util/isupport.t
document mode_to_array with isupport_chanmodes a bit better
Toolkit->import tweaks, tests for same

	modified:   lib/IRC/Toolkit.pm
	modified:   lib/IRC/Toolkit/CTCP.pm
	modified:   t/00_load_selective.t