* Calculate hops correctly even when hop_start==0.
* Use the same type (int8_t) in the loop, avoiding signed/unsigned mismatches.
* Clarify defaultIfUnknown is returned for encrypted packets.
remove newline from logging statements in code. The LOG_* functions will now magically add it at the end.
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Co-authored-by: Ben Meadors <benmmeadors@gmail.com>