[#402] signalc: handle rate limit errors (!566) · Merge requests · team-friendo / signalboost · GitLab

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modify signalboost rate limit detection code to handle slightly different shape of signalc error messages
add logging of rate limit errors (in addition to p8s counter increments)
QA: verified that rate limit resending works as before when running against signalc

Closes #402 (closed)