Refactored code to remove parts that are unnecessary
Added test that checks behaviour of pygrapes.grape when serializer is given as None value
Added pygrapes.serializer.msgpack (with tests)
Fixed test case name in json_test suite
Added missing test suits to runtest.py test runner
Load classes to tests directly from pygrapes.serializer
Added method 'connect' to pygrapes.adapter.Abstract (with tests)
Added 'connect' method to pygrapes.core.Core (with tests)
Added first (unfinished and untested!) attempt to pygrapes.adapter.zeromq.Zmq implementation