Mine claims released upon death.

src/engine/objects/PlayerCharacter.java

@@ -633,6 +633,10 @@ public class PlayerCharacter extends AbstractCharacter {
 		this.setDesiredAltitude(0);
 		this.altitude = (float) 0;
 
+		// Release Mine Claims
+
+		Mine.releaseMineClaims(this);
+
 		this.getCharItemManager().closeTradeWindow();
 
 		//increment live counter. This is to prevent double kills from casts