Fix an issue with hashes that begin with numbers.  Issue reproduces with chrome 35.0.1916.153 m as a

Uncaught SyntaxError: Failed to execute 'querySelector' on 'DocumentFragment': '[data-updateable=43ec914ed514fc3cae46e7e4f89dae0c]' is not a valid selector. updateable.js:27
readyStateChanged
Merge pull request #1 from edtanous/master

Fix an issue with hashes that begin with numbers.