- Fix issue with duplicated traits upon new character creation
- Fix issues with server not recording properly the traits
- Fix issue where traits were lost on MP

Blurred vision update
- No longer forced zoom
- Myopia without glasses: vision blurred except in a 2 squares radius
- Hyperopia without glasses: the more zoom-in the more vision gets blurred
- Glasses can now be fixed using glue or adhesive tape
- Reduced bonus points since it is easy to find spare glasses on zombies
- Cannot read nor forage without glasses.