Use element.ownerDocument.evaluate
element.querySelector doesn't return an array
updated axs_testing.js generated file
use scope.ownerDocument.evaluate instead of document.evaluate
node.ownerDocument returns null if node is a document
fix node type checking
merge changes
arrgh newlines
Fix indenting
Adding tests for Properties.js and PageWithoutTitle.js
merge changes
Adding iframes for testpage.html
Merge pull request #28 from rachelshe/fix_for_iframes

Fix for document.evaluate while inside an iframe