To get in contact with me personally you can send me an email at develop@bjornlarsson.net.
To provide bug reports or feature requests, please use the project provided bug tracker, try to provide as much information as possible, including how to reproduce the issue, any log files produced and preferably a test case that highlights the issue.
Or, feel free to implement the changes yourself and submit a pull request.
You can follow me on Twitter @fuzzycode to get updates about pytvdbapi.