Expose processTweens

jeremyckahn released this 26 Feb 02:37

For #109: https://jeremyckahn.github.io/shifty/doc/shifty.html#.processTweens

Also:

Switches the test framework to Jest
Drops browser test runner (consider using https://www.npmjs.com/package/ndb if you need an interactive debugger)
Updates all of the devDependencies to their latest versions

Assets 2