removed Andrew folder.
Added function to change a variable ptracID when text box loses focus.
Added an update function which justs prints the key and value and
returns true.
Added class changeable, and attributes data-keyletter and data-keynum.
Added function whenever changeable loses focus, a key and value is sent
to the update function with the key being ptracID.keyletter.keynum, and
the value being whatever is in the changeable label.
Added to ptracID function so that it does not accept numbers that are
negative or that have decimals.