Round shop balance and price per item.

src/main/java/com/alttd/playershops/shop/PlayerShop.java

@@ -65,7 +65,7 @@ public class PlayerShop {
         playerShop.server = server;
         playerShop.price = price;
         playerShop.amount = amount;
-        playerShop.balance = balance;
+        playerShop.balance = EconomyUtils.round(balance);
         playerShop.itemStack = item;
         playerShop.lastTransaction = lastTransaction;
 
@@ -193,7 +193,7 @@ public class PlayerShop {
     }
 
     public double getPricePerItem() {
-        return this.getPrice() / this.getAmount();
+        return EconomyUtils.round(this.getPrice() / this.getAmount());
     }
 
     public boolean removeBalance(double amount) {