making paramater order consistent through out api, placing handle first in the list if a handle is a parameter
added decorator methods for meta_data, changed order of parameters to be consistent with the api and making the handle the first param if a handle is required
a note about login and auth
added tests for add_metadata and download_metadata
added add_metadata and download_metadata logic
json formatted metadata for testing
useful for deploying just the abstract handle implementaiton file and stopping and starting the service