* Initial commit for rate limiting
- Detects if error code is 429
- Pauses for random time between .5 and 5 seconds before retrying
- If it fails 10 times, give up and tell user
* Redo structure of request() to support rate limiting
* Hold down timer is now a sliding scale
- 3 * number of retries
- Fails after the 30 second wait
* Whitespace fixes
* Redo implementation using decorators
- Errors aren't tested but code works for regular calls
* Unit tests work for error handling
* Add integration tests for successful retries
* Add condition for 502 errors and retry
* Move _error_report out of the class
* PEP8 fixes
* Add changelog entry
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