Added stop() method to CharLCDPlate
Added buttons() method -- polls all buttons, returns bitmask
Fixed lcd.message() in CharLCDPlate for non-string types
Added LSM303 library (adapted from Arduino version)
Update Adafruit_CharLCDPlate.py

Fixed errors in scrollDisplyLeft utility method
Merge pull request #29 from wckdDev/patch-1

Update Adafruit_CharLCDPlate.py
Fixed typo in ADS1015_REG_CONFIG_DR_920SPS
Added improvements from Pedvide