* Fixed typos in the act and message commands
* Added a RPL_WHOREPLY parser to populate the UserManager http://tools.ietf.org/html/rfc2812#section-5.1
* Added a Server::who($mask) method to compliment the parser
* Removed duplicate Message module from the system pack
* Fixed incorrect use statements in Config (error namespace doesn't exist)
* Added 'users' table to the database which is updated with the UserManager's contents
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