SPF 21 (v2.1.0)
Note: Due to a mistake cutting the v2.1.0 release, this version is missing one of the intended features (#222). Please use v2.1.1 instead: https://github.com/youtube/spfjs/releases/tag/v2.1.1
Note: Due to a mistake cutting the v2.1.0 release, this version is missing one of the intended features (#222). Please use v2.1.1 instead: https://github.com/youtube/spfjs/releases/tag/v2.1.1