Changelog 4.0
- Restructures script to be more modular. You can now simply add a selector to the 'blockedSelectors' array and all elements that match are hidden!
- Blocks summaries inside the descriptions now.

3.0 Changelog:
- Adds support for mobile. (m.youtube.com)

2.2 Changelog:
- Fixes bug where loading YouTube from a page that isn't watch or search results doesn't block summaries.