Updated to-do for start of new chapter
Created DOM Element module and moved first two functions in
Converted DOM Element module into class
Finished moving pageOffset() and relativeOffset() functions into DomElement
Moved event handlers into DomElement
Updated to-do
Started moving duplicate event handler code into DomElement
Moved majority of event handling code into DomElement
Factored out duplicated event handler code in DomElement
Modified onTouchEnd and onTouchCancel to be specifically for single touch
Renamed DomElement.onOneTouch* to DomElement.onSingleTouch*
Moved first event creation method into DomElement
Moved first event creation method into DomElement
Moved mouseLeave and mouseMove into DomElement
Finished moving mouse events into DomElement
Moved single-touch event creation functions into DomElement
Moved multi-touch event creation into DomElement
Cleaned up DomElement
Cleaned up _client_test.js
Tested DomElement's mouse event methods