Added toSentence method.
Merge pull request #75 from sergiokas/master

Fixed #72, allowing prune to run on IE8
Added missing docs for toSentence method.
Merge pull request #74 from mptre/master

Added toSentence method
Added _.slugify
Updated contributors list.
Merge pull request #77 from mptre/master

Updated contributors list.
Convert all error throwing to throw actual Error objects

Otherwise, traceback is missing and it is much harder to find out which piece of code passed the wrong argumnets to _.sprintf
If present “dependencies” should be a hash not an array.
Merge pull request #81 from benelsen/patch-1

If present “dependencies” should be a hash not an array.
Merge remote-tracking branch 'origin/master' into HEAD
Strip whitespace
Stop slugify from eating leading/trailing single-letter words
refactored defaultToWhiteSpace helper a little
faster chop (370k -> 1265k)
Merge branch 'slugify' of git://github.com/dmnd/underscore.string into slugify
optimized slugify
Merge pull request #79 from masklinn/patch-2

agreed
optimize slugify little more
Merge branch 'master' of github.com:epeli/underscore.string