* Added rate limiting and blocking IP and API key feature
* Fix for core_api differences
* Coding style improvements
* Coding style improvement II
* Design Update for RateLimitManager
* Updated some of comments
* Design Update II
* Design Update III
* Updated unit test and bug fixes
* Design Update IV
* Design Update V
* Refactoring update for add_rule and edit_rule
* Update to store rate limits and bans in DB
* Bug fix for bans prefix
* Bug fix for rate limit manager unit test
* Refactoring and updates
* Added More Tests & Fixes
* Updated Rate Limit Manager class tests