Support for setting a notification URL when creating a resource

Fire and forget support

Fixes

Fixed issues with PDF resource interface:

• No longer attempts to handle SipeFile instances directly.
• Fix for global_vars error, should have been global_args.

Minor fixes & improvements

0.0.3

Fix for error handling of non-JSON responses

Fix for handing of non-JSON error responses

0.0.2

Fix for handling errors with non-JSON response

Initial release

0.0.1

Initial release