Rewrite is Go!

Just moving over all my changes from my fork

src/main/java/WayofTime/alchemicalWizardry/util/Utils.java

@@ -0,0 +1,16 @@
+package WayofTime.alchemicalWizardry.util;
+
+public class Utils {
+
+    public static boolean isInteger(String integer) {
+        try {
+            Integer.parseInt(integer);
+        } catch(NumberFormatException e) {
+            return false;
+        } catch(NullPointerException e) {
+            return false;
+        }
+        // only got here if we didn't return false
+        return true;
+    }
+}