Refactoring: Exctract ResponseCodes class from Endpoint
Merge pull request #71 from Strech/response_codes

Refactoring: Exctract ResponseCodes class from Endpoint
reduce hound rude
Refactoring: Extract HttpParameters class from Endpoint
Merge pull request #72 from Strech/request_response_parameters

Refactoring: Extract HttpParameters class from Endpoint
Add requestParameters warning to Endpoint class