Merge pull request #19 from markrickert/master

Allow the user to decide if the show/hide animates or not.
Support any ProMotion 1.x release
Bump to 0.2.0
Update README for more recent PM

Suggested by @ahmetabdi
Merge pull request #20 from macfanatic/update_readme

Delegate
Remove bubblewrap dependency
Remove require
Replace App.delegate calls
Merge pull request #23 from ryanlntn/refactor/remove-bubblewrap-dependency

Refactor/remove bubblewrap dependency
Bump to 0.2.1
Merge pull request #1 from macfanatic/master

merge macfanatic's master