* added a new test file,
  which makes requests using various methods:
  GET,POST,PUT,PATCH,DELETE
* discovered that 'node-denodeify' needed to add
  'Content-Length' header to requests that write
  data to the request stream
  (probably shouldn't call it "POST" data, but anyway..)
* updated library and bumped the version of our dependency
* now, all tests work properly