Revision history for Redis-RateLimit

1.0002  2017-08-22 23:36:50 PDT
  - numify rules values for JSON encoding
  - croak if interval or limit are missing from rules

1.0001  2016-12-14 14:10:06 PST
  - remove dependency on Redis::ScriptCache

1.0000  2016-12-14 11:47:33 PST
  - ported ratelimit.js to Redis::RateLimit
