* Added WebsocketBindingWithMembers
WebsocketBindingWithMembers inherits WebsocketBinding and additionally enables sending of member variables, properties and methods.
* pep fixes
* pep fixes
* Changed to Mixin
More flexible this way; also checking if members are callable now, not just a try-except.
* moved BindingWithMembersMixin to base.py
* moved BindingWithMembersMixin to base.py
* undo moving to base.py
* undo moving to base.py; undo Mixin
* use DjangoJSONEncoder to serialize members
* missing self
* removed nasty whitespace
Atm WebsocketBinding sends every field of a model, even the password of a user. Users of the class should have to think about which fields they want to send to the user. Also added a more intuitive option for sending all fields.
