add .click() method to library's main events that detects when canvas is clicked. add documentation for said method, fix bug that prevents non-cached resource objects from being properly tracked by click event
add .click() method to library's main events that detects when canvas is clicked. add documentation for said method, fix bug that prevents non-cached resource objects from being properly tracked by click event

juanvallejo/Lib.js,juanvallejo/Lib.js