Feature: Add Unicode to/from UTF-8 translations and fix usage of function that should...

Feature: Add Unicode to/from UTF-8 translations and fix usage of function that should be private.

This logic has not actually been tested yet.
This needs to be reviewed for endianess correctness.
All of the UTF-8 processing code, in fact, needs to be reviewed for endianess so I decided to not test this further until I can review and correct the big vs little endianness support.