increased weapon durability slightly

src/mightypork/rogue/world/item/impl/weapons/ItemKnife.java

@@ -33,7 +33,7 @@ public class ItemKnife extends ItemBaseWeapon {
 	@Override
 	public int getMaxUses()
 	{
-		return 60;
+		return 70;
 	}
 	
 	

src/mightypork/rogue/world/item/impl/weapons/ItemRock.java

@@ -33,7 +33,7 @@ public class ItemRock extends ItemBaseWeapon {
 	@Override
 	public int getMaxUses()
 	{
-		return 30;
+		return 35;
 	}
 	
 	

src/mightypork/rogue/world/item/impl/weapons/ItemSword.java

@@ -33,7 +33,7 @@ public class ItemSword extends ItemBaseWeapon {
 	@Override
 	public int getMaxUses()
 	{
-		return 200;
+		return 210;
 	}