Fix linker bugs
Fix linker bugs

- Handle brackets in URLs better
- Add '-' to allowed username chars
- Update url2link to handle multiple punctuation marks after URL

SiTLar/pyt-vanilla-html,payalnik/pyt-vanilla-html,FreeFeed/freefeed-lite,FreeFeed/freefeed-lite,payalnik/pyt-vanilla-html,SiTLar/pyt-vanilla-html,SiTLar/pyt-vanilla-html,FreeFeed/freefeed-lite