Adding a put method to support API calls like primary_preview_image and upload_status.
fix issue found by patprzybilla
bump version
adding a patch method to update asset data
update version to 0.0.4 with patch support.
adding res.on('end') in order to receive all chunks of the body on data callback
increase version number.
Add _stringify wrapper function to fix encoding of single quote marks, which are required for some Query API usage.