Renamed validations to parameter_validations
Removed log of err
Added tests for required keys
Added blanket config
Added response code default
Added test for should not work when response code is not equal
fixed error code validation test
Added content-type test
Added test for default for content-type
Added should default to required
Added setRequestValidationFunction
Added request validations, and should send get request test
Added request_validation, and get, post, put, delete method tests
Added tests for post/put body
Added sent headers test
Renamed _validateBody to _validateDictionary