Using attributes directly, instead of call `self.attr_name` methods.
Merge pull request #201 from kia84/master

Channel: using attributes directly.
Merge pull request #198 from Oxynum/master

Add unbind functions to the Javascript client for the dispatcher and channels
Channel Filtering
Merge pull request #208 from moaa/channel_filtering

Channel Filtering
fixed issue where channel filtering was triggered on all channel events