added a feature test for attributes treated as booleans on IE browsers, excluded them from executing with QSA, adjusted 'getAttribute' and 'hasAttribute' methods to account for the bug (Mike Taylor)
added a feature test for attributes treated as booleans on IE browsers, excluded them from executing with QSA, adjusted 'getAttribute' and 'hasAttribute' methods to account for the bug (Mike Taylor)

dperini/nwmatcher,dperini/nwmatcher,dperini/nwmatcher