HubSpot/humanize — pull request #16 by aaylward (2013-06-12 22:18:06+00:00)
Title: fix titlecase fixes #4 @hijonathan @b-ash

- preserve words with internal capitalization (iTunes, O'Mally, etc)
- lower case words that are supposed to be lower case unless they are at the start or end
- upcase the rest

- also added capitalizeAll for old behavior