Extend the iteratee test to demonstrate a logic flaw
Extend the iteratee test to demonstrate a logic flaw

This leads to a "Maximum call stack size exceeded" error. Since this
also prevents the builtin iteratee from being restored, the same error
turns up in the tests for omit, isArguments, #1929, tap, isMatch,
matcher, findKey, mapObject, random and escape+unescape.

jashkenas/underscore,documentcloud/underscore,jashkenas/underscore,documentcloud/underscore