* Add toggle to zoom preview content based on editor font size.
* Disable horizontal scrolling in editor to prevent word wrapping from failing.
* Upgrade Hoedown to 3.0.3, fixing incorrect parsing in tables and comments.
* Upgrade Sparkle to 1.10. May fix multiple issues with the updater window. Feedback needed.
* Upgrade Prism to f28a3e0.
    * The following new syntaxes are included:
        - Brainfuck
        - Keyman
        - Makefile
        - REST
        - SASS
        - Smalltalk
        - Stylus
        - VHDL
        - Wiki
        - YAML
* Syntax alias "sass" has been removed in favour of the SASS syntax.
* Other dependency upgrades.