CoAP - Significant Updates
Updated table with Ivan's list of codes.

He also had 4.09, but that isn't an actual CoAP code.
Corrected Path: a1 -> 1a
Added More Descriptive Example and CIK String Info
Cleanup of CoAP Doc

API Doesn't support multiple reads or writes as far as I can tell.
Explicit definitions of parameters.
Cleaned up intro.
~)~
Merge pull request #5 from Azdle/master

CoAP doc updates and cleanup