Updates all McFly dependencies to be current.

Fixing bug with promises & error suppression

Bug Fixes

• Action methods now return promise objects

Fixes an issue where the dist build doesn't work with Require.js

Exactly the same as 0.0.5, but this time the ES6 is compiled!

• Added invariants
• Added tests
• Added getDispatchToken method to Store instances

• Adding multiple arguments to action callbacks
• Fixing dependencies in package.json

• Removed underscore dep
• Replaced with object-assign