remove call to propertyDefinitionString
add new test case for string options and regexp
add notes for development and testing
Fixes TestSampleTestStringOptionsCase.test_machine_header_content test

Removes human file tests as it's not different from other test cases
adjust spaces of generated file
Supports maxLength, minLength, regex options


ObjectiveCCodeGenerator_test:TestSampleTestStringOptionsCase.test_machine_source_content passes
acceptNumber is NO for string type by default.
All tests passes
Merge branch 'feature/refactor' of github.com:sinnerschrader-mobile/metaJSON into feature/refactor