Invalid Composer Version

[Kyle Thielk]

Firstly thanks for this library.

The project's README specifies using ~1.2 as the library version, however the demo and examples provided require ~2 as OptionCollection does not seem to exist before version 2. Had me stumped for a while.

• Kyle

[Yo-An Lin]

oh, good point. let me update the README.

[Yo-An Lin]

fixed.

[Kyle Thielk]

Thanks!