Add more of Underscore's "Objects" tests to test/test.js.
Use internal `slice` instead of `nativeSlice.call` when converting `arguments` to arrays.
Add more "Objects" tests and fix failing tests.
Add more "Objects" test and fix tests for node.
Fix failing tests for `rhino -require`.
Remove secure sauce access key since @pimterry is on the case.
Avoid broken `Function#bind` in Narwhal.
Fix asyncTest with `rhino -require`.
Add more "Objects" tests to test/test.js.
Simplify environment detections.
Update builds.
Update `underscore` build with `_.difference` patch from lodash-cli. [closes #373]