V1.4.0

- added camelCase aliases for non-camelcase methods
- added more descriptive alias for `truncatenumber`
- added `Release Notes` section to readme ( fixes #30 )
- whitespace formatting around default args
- optimized inner function in `titleCase`
- added deprecation notice for non-camelcase method names
- added tests for new camelCase aliases
- removed unused helpers
- add optional `downCaseTail` argument to `capitalize`