Gem updates.
True is now stored as 1 instead of t. Adjust accordingly.

Fixes issue #241.
Use <wbr> for link soft break instead of \u200B to allow better copypasta.

Fixes issue #238.
Fix for empty parentheses on make parent link in browse.
Accidentally html safety.
Replace social meta preview image for explicit-rated images
Generate full url for social meta stuff.