Bump version to 0.2.2
Bump version to 0.2.2

The previous release seems to be broken (no ES5 built files).

QuinntyneBrown/1-liners,1-liners/1-liners,tristaaan/1-liners,davidchase/1-liners,kshirish/1-liners,lambdahands/1-liners,guumaster/1-liners