Updated Safari 6.1.2 --> 6.1.3
Implemented event handler for 'clear screen' button
Added 'clear screen' button to HTML and styled it minimally
Implemented HtmlElement.fromId()
Refactored index.html to use HtmlElement.fromId()
HtmlElement.fromId() fails fast when ID not found
Added fail_fast.js
Modified client.js and html_element.js to use new fail_fast.js module
Hacked in solution to Raphael bug that causes sub-pixel gap
Updated to-do
Upgraded JQuery 1.8.2 --> minified 1.8.3
Upgraded Raphael 2.1.0 --> 2.1.2
Upgraded Modernizr 2.6.2 --> 2.7.2
Styled 'clear screen' button
Revised site copy; converted 'clear screen' button to <button> for iOS display
Updated to-do
Added production bundle
Updated deployment instructions
Updated documentation with latest deployment info