New Case, Padding, and Trimming functions

This project is currently _NOT PRODUCTION_ ready.

This release adds the following methods

• reverse()
• pad()
• truncate()

Also adds more inline documentation, Jazzy Docs, SwiftLint conformance, and more.

See build details and artifacts at buddybuild:
https://dashboard.buddybuild.com/apps/58b67d22d21c470100b0c394/build/58b6e0894f23990100b72d7f