Make sure that setTimeout and setInterval return handles > 0 to be HTML 5 spec compliant
Merge pull request #698 from mdlavin/make-setTimeout-handle-greater-than-0

Make sure that setTimeout and setInterval return handles > 0
Fix 'ReferenceError: Promise is not defined' error.

https://github.com/assaf/zombie/issues/699
Merge pull request #709 from svbatalov/no-promise-fix

Fix 'ReferenceError: Promise is not defined' error.
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