_.sortedIndex takes a string as an iterator.
Fix #792 - Correct docs for _.defaults.
Merge pull request #797 from braddunbar/defaults

Fix #792 - Correct docs for _.defaults.
Merge pull request #796 from braddunbar/sorted-index-iterator

_.sortedIndex takes a string as an iterator.
Fix #798 - Pass collection to groupBy/countBy iterator.
Merge pull request #800 from braddunbar/iterator-args

Fix #798 - Pass collection to groupBy/countBy iterator.
Fixes #744, reverts #80. Removes special null handling from collection and array functions.
Underscore.js 1.4.0
fixing compare diff link
adding a 'do', for better parallelism
fixing pairs example
adding line about removing _.map(null, ...) and friends to the changelog
Fixes #802 -- broken lastIndexOf with no test.
Underscore.js 1.4.1
add missing word to change log
Merge pull request #811 from davidchambers/master

add missing word to change log
reverted removal of null checks in collection functions.
Merge branch 'master' of github.com:documentcloud/underscore
Underscore.js 1.4.2
Fixes #744, allow null in object, last, first, and size.