Relax dependency versions and bump gem version.
Relax dependency versions and bump gem version.

PatrickTulskie/lita-hipchat,sadfuzzy/lita-xmpp,litaio/lita-hipchat,onewheelskyward/lita-hipchat,lazyfrosch/lita-xmpp,crimsonknave/lita-hipchat,jimmycuadra/lita-hipchat,darkside/lita-hipchat