Minor bug fix

Removes a redundant variable in local_settings.py that was confusing at setup.

Now with environment variables

This release refactors the local_settings.py file to use Heroku's environment variables for sensitive Twitter API keys.

Bug fix release

Fixing a stupid bug.

Now with 280-characters

This release allows your ebooks bot to draw from all 280 characters of your tweets.

Added Mastodon support

Thanks to contributions from @andrlik, heroku_ebooks now supports Mastodon instances for both culling source material and posting to.

Many updates, including new sources and Python 3 support

A slew of fixes and improvements from @00dani, @ConorIA, @ekevoo, @snowmanninja, @sparky005. Thanks to all the new contributors to the project.

This now supports Python 3, which new Heroku apps use by default. It also enables new text sources, including rudimentary web scraping.