Analog button input - key_read

hello, i have tampered with the library for the dfrobot lcd shield and would like some feedback on my new key_read library.

this lib not only returns what button is pressed but has the ability to repeat a held down button at set interval.

http://www.neve.nu/wp-content/uploads/2013/06/key_read.zip

instructions here:
http://www.neve.nu/2013/06/23/key_read-library/

all feedback is appreciated :slight_smile: