GH-10 - Method first API

[auniverseaway]

• Switch from route-first to method-first handling
• Begins future removal of PUT by using the same handler.
• Cleanup of naming conventions, folder structures, etc.
• Removal of un-used functions, constants, etc.

Resolves: GH-10

[auniverseaway]

I still have some E2E testing to do, but the un-authenticated basics (GET, POST, DELETE) seem fine.