Initial support for Lua script engine

test/test-cases/data/match-getvars.lua

@@ -0,0 +1,21 @@
+function dump(o)
+   if type(o) == 'table' then
+      local s = '{ '
+      for k,v in pairs(o) do
+         if type(k) ~= 'number' then k = '"'..k..'"' end
+         s = s .. '['..k..'] = ' .. dump(v) .. ','
+      end
+      return s .. '} '
+   else
+      return tostring(o)
+   end
+end
+
+function main()
+    ret = nil
+    m.log(9, "Here I am");
+    z = m.getvars("QUERY_STRING");
+    m.log(9, "Z: " .. dump(z))
+
+    return ret
+end