Adding locator links
updating travis config
Merge pull request #61 from triptych/travis-update

Updating travis config
Merge pull request #60 from triptych/doclinks

Adding locator links
do a little readme cleanup
Merge pull request #62 from daltomania/readme

do a little readme cleanup
express 4 support
Merge pull request #64 from drewfish/express4

express 4 support
Respect maxURLLength parameter in seed URL builder
Rename urlLength to stackURLLength
bump version 1.3.3 for PR #65