moving from JUnit to TestNG
adding LongSerializator
refactoring tests
adding small comment
adding CharSerializator with test
adding model
refactoring to support model
refactoring primitive serrializators
adding FloatSerializator with test
adding DoubleSerializator with test
adding Dict to model
adding initial referance serializer
adding character to PrimitiveFieldSerializator
adding initial test for PrimitiveFieldSerializator