Check if a given bill already exists in the docparse database using the docparse server REST api

[![Build Status](https://travis-ci.org/nisaacson/docparse-check-imacros.png)](https://travis-ci.org/nisaacson/docparse-check-imacros)
[![Dependency Status](http://david-dm.org/nisaacson/docparse-check-imacros/status.png)](http://david-dm.org/nisaacson/docparse-check-imacros)
