Upgrade QUnit: Welcome to the present!
Adds test for jQuery.extend deep copy with array, followed by object. Refutes and Closes #1154
2.0: Rewrite data.js (Incl. event, manipulation, tests)
Reduce Data.prototype.add by using the returned length value of this.owners.push(owner)

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Reduce hasData per @gibson042 review notes.

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Avoid potential for breakage if test suite is run in a frame

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Standardize on a.indexOf(b) === -1, per @gibson042 review notes

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Match the codebase standard, .split(" ") => .match( core_rnotwhite ) || []… no matter how awful it is >:|

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>