Added serverQuery method
Added unified messages
Merge branch 'unified-messages' into mckay

Conflicts:
	lib/steam_client.js
Fixed some weird whitespace
Merge branch 'mckay' of ssh://github.com/DoctorMcKay/node-steam into mckay

Conflicts:
	lib/steam_client.js
Merge branch 'gms-query' into mckay

Conflicts:
	README.md
	lib/steam_client.js