Unit Tested - Inbound Authentication Success
Successful Receive/Respond Unit Test
Test echo auth
Update API key
Advanced Crypto Successfully Implemented

- Crypto algorithm reproduced / authentication properly placed,
signature parameter activated TextMarks-side, raw data also sent back.
- Even more sophisticated sec routines can be branched from this,
including auto-bans for IPs making unsigned, unauthenticated attempts.
- Usage has been updated to reflect the new syntax, which includes
timestamping now to more granularly log, if needed.
Begin modularization of functions and switch logic

SMSFunctions.php will be included as well as other support files for
interaction per spec.