add primitive refs package

Author: Cokemonkey11

wurst/_handles/primitives/PrimitiveRefs.wurst

@@ -0,0 +1,32 @@
+/**
+Simple wrappers for primitive types, which allows them to be used by the
+allocator.
+*/
+package PrimitiveRefs
+
+public class BoolRef
+	bool val
+
+	construct(bool val)
+        this.val = val
+
+
+public class IntRef
+    int val
+
+    construct(int val)
+        this.val = val
+
+
+public class RealRef
+    real val
+
+    construct(real val)
+        this.val = val
+
+
+public class StringRef
+    string val
+
+    construct(string val)
+        this.val = val