Canto 0.6.0 ChangeLog
* Much improved reader output using HTMLParser
* New message bar, no more floating boxes
* Brand spanking new fine-grained locking in Canto and Canto-fetch
* Basic multi-threading in Canto-fetch
* New content handling (can now open images and enclosures with
	custom handlers bases on extensions and link type)
	- Content can now be fetched to /tmp for programs too
* Support for Snownews/Liferea type execurl scripts
* Reader can now take a dedicated number of lines on the top, bottom,
	left, or right of the typical GUI
* Username/password support for feeds using Basic or Digest auth
* Add ; / : to jump skip through feeds by index
* -t flag to use with -r to set a tag on the command line
* New UTF-8 compatible InputBox for non-ASCII searching
* Everything (sorts, filters, tags) is directly set-able with a keybind
* Deprecate `add_feed`, `browser`, and `text_browser`
* Terminal output is now coerced to locale.preferredencoding(),
	fixing non-UTF locales being used. Internals now stricly Unicode
* Much more advanced usage of tags
* More correct and flexible drawing code
* The beginnings of a test-suite (still incomplete).