Bunch of changes, adding functionality requested.

- Added bunch of achievements for democracy
- Added currency exchanges
- Made voting algorithm more efficient
- Added standard meeting hall functionality to the datapack

data/tctvote/functions/meetingclose.mcfunction

@@ -0,0 +1,3 @@
+tellraw @a[] ["",{"text":"The Council >> ","bold":true,"color":"dark_green"},{"text":"Meeting adjourned!","bold":true,"color":"white"}]
+advancement grant @a[advancements={craftytable:joinmeeting=true},distance=..30] only craftytable:leavemeeting
+playsound minecraft:block.anvil.land master @a ~ ~ ~ 100 0.5