Allow element node to be passed
Upgraded to Grunt 0.4.0.
Upgrade to Grunt 0.4.0 complete.  Safari on OSX bug fix.
Modified markdown function. Added grunt build task.

Markdown format output currently commented out.
Added reference to build shortcut on readme.md
add idea files to gitignore
 - Fetch images of current element only
 - Fixed rendering of ExtJS 4.2 windows.
 - Fix parsing of input fields on IE9
added test for zIndex -1 element used as background
Fixed #207
update download link
fix typo
Checking that text node range has property 'getBoundingClientRect' before calling it.