add notNull assertion
fix response request switching
apply constants to JSON parameters
additional request test
develop DataRequest deserialization
split HomePlugInRequest and RemotePlugInRequest
switch expectation and real request object in test
forced and soft unplug-in request serializing
data request serializing
fix type serializing in data request
plug-in request serializing
fix to handle exception with data request
make DataRequest and UnplugInRequest fields final
UnplugInResponse serializing/deserializing
plug-in response deserializing/serializing
remove type property and add request-number property into data request
data response deserializing/serializing
Merge pull request #68 from Alex-Diez/json-dev

JSON message development