Merge pull request #4 from wactbprot/master

README formated
Merge pull request #5 from wactbprot/master

wrong example below key: function(err, val){..}
Improved README
The subscribe and subscribefail events now carry the channel name
Compound event names now use camel case
Added subscriptions method to get list of subscribed channels. Added tests.
v2.6.0
Merge remote-tracking branch 'upstream/master'