release 9.1.0

releasing 9.0.0

Merge pull request splitio#227 from splitio/bump/mmh3cffi

Bump/mmh3cffi

v8.4.0

Merge pull request splitio#215 from splitio/development

Development

Merge pull request splitio#190 from splitio/development

Development

Merge pull request splitio#179 from splitio/development

Development

Merge pull request splitio#176 from splitio/development

Development

Merge pull request splitio#174 from splitio/development

Development

Merge pull request splitio#169 from splitio/development

Development