Proper uid_or_nick/uid_or_full support, IRC::User UID builder

	modified:   lib/IRC/Server/Pluggable/IRC/User.pm
	modified:   lib/IRC/Server/Pluggable/Protocol/Base.pm
IRC::Numerics; translate User objs to nicknames

	modified:   lib/IRC/Server/Pluggable/IRC/Numerics.pm
Role::Send; some POD

	modified:   lib/IRC/Server/Pluggable/Protocol/Role/Send.pm