Update default.nix

Initial parser test, simple member access

Rename TOK_SPECIAL to TOK_PUN for punctuation

Merge branch 'master' of https://github.com/CiotoFlow/goagainst

added symbols parsing

Start tracking channels and users

Fix operators

added operator parsing (need fix)

Start parsing nicknames in the channel

Print line when unable to parse an irc message

irc: add IsUnknown function

Move entities into entities.go

Embed Stringer in Entity interface

Remove useless dead code

lexer: add pushAhead