ratelimiter/History.md

abstract rate limiter backed by redis

# ratelimiter Change Log.

## 1.0.3 / 2014-06-06
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* Fixes #6: In concurrent environment, the race condition occurs.

## v1.0.2 / 2014-06-06

* fix race condition when expiration happens between get and decr

## v1.0.1 / 2014-03-14

* fix race condition resetting the keys.