fixes fixes

Changelog

• Addition: Added a disconnect handler to hopefully reduce future errors
• Improvement: Added support for multiple Swappers swapping
• Visual Fix: Fixed Whisperer not being able to see how much someone is left to be converted for
• Bug Fix: Fixed a random log spam caused by players leaving
• Potential Fix: Lag spikes
• Role Fix: Fixed Medic-Retributionists not actually protecting anyone
• Role Fix: Fixed Guardian Angel having 2 buttons
• Role Fix: An attempt at fixing Retributionist and Swapper meeting buttons
• Role Fix: Fixed Politician-Rebels not having their votes refunded on assassinations