Made the title editable as well.
Added a whitelist/blacklist setting to tweak which languages you want to support.
Implemented anonymous user support.
Added a bit more feedback to some actions.
Changed some hardcoded urls to use url_for.
Deprecated the error page, using flash messages instead. Merged two decorators.
Made a helper function to mark html elements as active when certain conditions are met.
Improved some ui and internal aspects related to the history of a paste and viewing this history.
Tweaked the CSS a bit to make the position of alerts more sensible, and to make active table rows stand out more.
Started using bower for dependencies. Moved away from flask-bootstrap.