Save player data on backups

Server Side Inventory security improvements, blocking trashcan and "banks" items
CovertCorruption is now more thorough.
PvP Modes, normal, always, disabled now configurable
Initial group prefix/suffix implementation
Range checks reworked, Killing ice blocks now ignored for ice rod.
Adding a NPC name to item banlist will block it from spawning
Added configs to disable snowballs and clown bombs from npcs.

TShockAPI/TSPlayer.cs

@@ -67,6 +67,7 @@ namespace TShockAPI
         public bool IgnoreActionsForPvP = false;
         public bool IgnoreActionsForInventory = false;
         public bool IgnoreActionsForCheating = false;
+        public bool IgnoreActionsForClearingTrashCan = false;
         public PlayerData PlayerData;
 
         public bool RealPlayer