Allow for MSGCODE_CFGREQUEST at all time

But throw an error after applying
Added current loop index and time after each test
Test statistics pulled in TestStats
Added more constants
Ability to purge RX and TX buffers separately
Added more constants
Define FLOOD+ACK message
Important fixes and improvements

1) Added FLOOD+ACK for fast fail and sender
2) Removed local field usage due to memory corruptions encountered
(likely by compiler optimization)