Merge pull request #1 from tjmehta/master

Added ability to add fields to the request sent to TransloadIt.
Removes datejs (which is unused here), because it is terrible piece of code that has a circular prototype chain when it is required by more than on node package.
Merge pull request #2 from ifit/master

Datejs removed
Removing last usage of datejs
Merge pull request #3 from aaronshaf/master

Removed last usage of datejs
Handles errors that come through in lib/client this.send
Merge pull request #4 from grobot/master

Handles errors in lib/client this.send
Removed usage of multipart in favor of working directly on the request module, which supports unbuffered streaming.
Removed dead code and updated documentation to match.
Cleanup: Replaced tabs with spaces.