autoGrow now recognises numpad 0 as printable
autoGrow now recognises numpad 0 as printable

keyCode as given to the keydown event doesn't mimic ASCII; see http://www.cambiaresearch.com/articles/15/javascript-char-codes-key-codes.

Previously, due to chance, we missed keyCode 96 (numpad 0), which under Firefox (!), would cause it not to be inputtable at all.
brianreavis/selectize.js,selectize/selectize.js,u01jmg3/selectize.js,selectize/selectize.js