Upgraded docs

Added more info to the docs for advanced configuration.

Custom data and headers

You can now custom format the data and headers in your webhooks.

Clean Up

Cleaned up files for release.

More Configuration

Added settings to customize what events get sent.

First Published Version

Added auto-updating functionality, and should be on the marketplace once we get merged.

Testing for Python 2 & 3 Support

Testing to see if it works with both Python versions.

Python 2 Support

Only supports python 2 now.

Python 3 only support

Only supporting Python 3 from now on.

Updated Readme

Updated the readme in this release.

First Test Candidate

This is the first test candidate for Octoprint Webhooks. This allows you to send webhooks with custom data to any URL when events occur.