Fixed the constructors to use the correct MD5 hash

interface/HUTN/hutn_compiler/constructors_object_visitor.py

@@ -35,6 +35,7 @@ class ConstructorsObjectVisitor(ConstructorsVisitor):
         flush_data([3, "is_defined", self.obj_file])
 
         v = urllib2.urlopen(urllib2.Request(self.address, urllib.urlencode({"op": "get_output", "username": self.username}))).read()
+        v = json.loads(v)
         simple_filename = self.real_file.rsplit("/")[-1]
         if v == "None":
             # Not defined, so recompile