Added base files, with the basic ability to add/remove variables from the Runtime.

src/RTEX/Classes/Validate.php

@@ -0,0 +1,31 @@
+<?php
+
+    namespace RTEX\Classes;
+
+    use Exception;
+    use RTEX\Abstracts\VariableTypes;
+    use RTEX\Interfaces\InstructionInterface;
+
+    class Validate
+    {
+        /**
+         * Determines if the input is a supported variable type
+         *
+         * @param $type
+         * @return bool
+         */
+        public static function supportedVariableType($type): bool
+        {
+            try
+            {
+                Utilities::determineType($type);
+            }
+            catch(Exception $e)
+            {
+                unset($e);
+                return false;
+            }
+
+            return true;
+        }
+    }