Add backwards support for 1.11.2, bugfixes, update to 1.12

src/me/libraryaddict/disguise/utilities/backwards/BackwardMethods.java

@@ -0,0 +1,11 @@
+package me.libraryaddict.disguise.utilities.backwards;
+
+/**
+ * Created by libraryaddict on 8/06/2017.
+ */
+public class BackwardMethods {
+
+    public boolean isOrderedIndexes() {
+        return true;
+    }
+}