CHANGELOG v2.0.0 - 2019-03-18 Abstracted storage to facilitate persistent reporting. Added ERAMemory (in-memory) and ERARedis (ioredis) backends. v1.0.2 - 2019-02-26 Performance optimization; replaced Map with Object. v1.0.1 - 2019-02-23 First release. v1.0.0 - 2019-02-22 Initial version.