Init.
Added stubs for all the IRC messages available to clients.
Implemented encoding() function.
Added decoding IRC message.
Dropped one unnecessary function.
Added try..catch in decode() function.
Minor edits.
Wrong planned return types.
ealirc_proto:encode() was supposed to return {ok,Line}.
Implemented part of the protocol messages.
Implemented the rest of message construction functions.
Small fixes for PASS and NICK.
Updated a little TODO comment.