Update b.6

Nothing particularly exciting in this update - I finally took the time to actually play a full game start to finish, and whacked at any bugs I found along the way, so this is mostly those bug fixes. I also tweaked some interface elements a bit.

• Liberals no longer regrow lost limbs when leaving the hospital
• Changed attribute display to distinguish base stats from stats gained/lost from things like juice/age/wounds, etc.
• Various CCS-related fixes
• Fixed siege-escape chases so that non-police sieges would spawn correctly rather than always being SWAT troopers
• Changed win requirements to ease up a bit on the Senate - it turns out getting the full 2/3rds majority is very difficult due to specific states being Conservatively-aligned - even at >90% public mood it still kind of caps out around 60 L+ senators. 3/5ths is now considered sufficient.
• Fixed a bunch of fiddly little bugs that caused the gameplay flow to break and do things like drop you out of sitemode for no apparent reason.