v6.10.0

- Update react & react-dom peer-dep to support 17.x

v6.9.0

- Added strictMode compatibility.
- Added a changelog, cursorily filled in previous version information.

v6.x

Updated for React 16, using `class` notation

v5.x

Removed React mixin

v4.10

Updated for React 15, as both mixin and HOC.

v2.5 through v4.9

Updates based on React 0.14

v2.4 and below

React 0.12/0.13