ADD test and testing helper for new AbstractResponder implementation
Update to the Responder interface to be more appropriate for RESTful API construction
UPD removing all the old cruft and passing first new unit test
UPD adding test for HTML attribute escaping when setting Responder data
UPD adding more tests for setting data and implementation to pass tests
UPD fixing typo in service name, implementing setMultipleData, return null on default escapeData
DEL removing outdated Responder implementations
UPD removing cruft
Merge branch 'restful-responder' into v0.3.0a-dev