updating dependencies versions
Update .gitignore
Add Native model and fixture
Add few tests for Native model mapping
Update MapperSpec with Native model tests
Add Native model mapping into MappingProvider
Add Native Serialization tests
Refactoring propertyNameIsNative method, now support all native types.
Fix serializing of primitive numbers, add ability to mapping primitives without reverseBlock
Move files into folders, fix some bugs
Refactoring
Return all primitive types from invocation as corresponding NSNumber
Update Readme.md
Merge pull request #19 from ArtFeel/native_value_fix

Add support for serializing and deserializing all primitive types.
fixing conflicts
preparing for the next version
Add NSSet support
Fix NSSet support if property name is different than json key
Merge pull request #21 from danylhebreux/feature/NSSet_support

NSSet support
prepating for the next version