* Message Extensions for the following numerics:
** 307 - RPL_WHOISREGNICK
** 311 - RPL_WHOISUSER
** 312 - RPL_WHOISSERVER
** 317 - RPL_WHOISIDLE
** 318 - RPL_ENDOFWHOIS
** 319 - RPL_WHOISCHANNELS
** 330 - RPL_WHOISLOGGEDIN
** 378 - RPL_WHOISHOST
** 401 - ERR_NOSUCHNICK
* Numerics with extensions will have the MessageHandler emit the replyname.
* User module exports isIdentifedAs(nickname, nickname_identified, callback).
* Added mocha, sinon, deep-eql, and better-assert to devDependencies
* /test directory
* Using mocha for new tests. Will bring old tests over from Jasmine over time.
* User Module
** isIdentifiedAs(nick_lhs: string, nick_rhs: string): Promise boolean
