Adds support for transformations inside Lua engine

test/test-cases/data/match-getvar-multi-transformations.lua

@@ -0,0 +1,21 @@
+function main()
+    ret = nil
+    m.log(9, "Lets rock.");
+
+    var = m.getvar("tx.test" , { "lowercase", "uppercase" });
+    if var == nil then
+        m.log(9, "Don't know what to say...");
+        return ret;
+    end
+
+    if var == "FELIPE" then
+        m.log(9, "Whee. Working like a charm. That is what we have: " .. var);
+    elseif var == "felipe" then
+        m.log(9, "Oh boy. Got: " .. var);
+        ret ="ok";
+    else
+        m.log(9, "Really?");
+    end
+
+    return "whee"
+end