Shrunk memory usage _even more_

Potential fix for digit_display

That broke mu a little too much, let's go back

Massive optimizations and kwargs

update main.py for digit_display example

Merge branch 'master' of github.com:philgough/grove_pygestures

Shrink register settings and add game mode setting

Update README.md

Update .gitignore

Added appending script and combined grove.py script

Remove broken main method from display

Remove delays in gesture code

Modify timing to fix negative return values

Change to classes to allow for different pins

fix the ultrasonic sensor code so that it returns the value instead of printing it to the concole.