diff --git a/include/chaiscript/dispatchkit/bad_boxed_cast.hpp b/include/chaiscript/dispatchkit/bad_boxed_cast.hpp
index 46c70ec..3bf39f5 100644
--- a/include/chaiscript/dispatchkit/bad_boxed_cast.hpp
+++ b/include/chaiscript/dispatchkit/bad_boxed_cast.hpp
@@ -21,7 +21,7 @@ namespace chaiscript
     {
       public:
         bad_boxed_cast(const Type_Info &t_from, const std::type_info &t_to,
-            const std::string &what)
+            const std::string &what) throw()
           : from(t_from), to(&t_to), m_what(what)
         {
         }
diff --git a/include/chaiscript/dispatchkit/dynamic_cast_conversion.hpp b/include/chaiscript/dispatchkit/dynamic_cast_conversion.hpp
index af3edca..129b963 100644
--- a/include/chaiscript/dispatchkit/dynamic_cast_conversion.hpp
+++ b/include/chaiscript/dispatchkit/dynamic_cast_conversion.hpp
@@ -21,7 +21,7 @@ namespace chaiscript
     {
       public:
         bad_boxed_dynamic_cast(const Type_Info &t_from, const std::type_info &t_to,
-            const std::string &t_what)
+            const std::string &t_what) throw()
           : bad_boxed_cast(t_from, t_to, t_what)
         {
         }
@@ -35,6 +35,8 @@ namespace chaiscript
           : bad_boxed_cast(w)
         {
         }
+
+        virtual ~bad_boxed_dynamic_cast() throw() {}
     };
   }
 
diff --git a/include/chaiscript/utility/utility.hpp b/include/chaiscript/utility/utility.hpp
index ced34c0..9371687 100644
--- a/include/chaiscript/utility/utility.hpp
+++ b/include/chaiscript/utility/utility.hpp
@@ -53,10 +53,10 @@ namespace chaiscript
   {
     inline std::string class_name_translator(const std::string &t_name)
     {
-      size_t colon = t_name.find_last_of("::");
+      size_t colon = t_name.rfind("::");
       if (colon != std::string::npos)
       {
-        return t_name.substr(colon+1, std::string::npos);
+        return t_name.substr(colon+2, std::string::npos);
       } else {
         return t_name;
       }
@@ -64,13 +64,16 @@ namespace chaiscript
 
     inline std::string method_name_translator(const std::string &t_name)
     {
-      size_t colon = t_name.find_last_of("::");
-      if (colon != std::string::npos)
+      size_t namestart = t_name.rfind("operator");
+      namestart = (namestart == std::string::npos)?0:namestart+strlen("operator");
+
+      if (namestart == 0)
       {
-        return t_name.substr(colon+1, std::string::npos);
-      } else {
-        return t_name;
-      }
+        namestart = t_name.rfind("::");
+        namestart = (namestart == std::string::npos)?0:namestart+strlen("::");
+      } 
+
+      return t_name.substr(namestart, std::string::npos);
     }
   }
 }
diff --git a/src/test_module.cpp b/src/test_module.cpp
index 96573da..77455f6 100644
--- a/src/test_module.cpp
+++ b/src/test_module.cpp
@@ -5,6 +5,8 @@
 class TestBaseType
 {
   public:
+    TestBaseType() {}
+    TestBaseType(int) {}
     virtual ~TestBaseType() {}
     virtual int func() { return 0; }
 
@@ -40,6 +42,7 @@ CHAISCRIPT_MODULE_EXPORT  chaiscript::ModulePtr create_chaiscript_module_test_mo
   m->add(chaiscript::user_type<TestDerivedType>(), "TestDerivedType");
 
   m->add(chaiscript::constructor<TestBaseType ()>(), "TestBaseType");
+//  m->add(chaiscript::constructor<TestBaseType (int)>(), "TestBaseType");
   m->add(chaiscript::constructor<TestBaseType (const TestBaseType &)>(), "TestBaseType");
 
   m->add(chaiscript::constructor<TestDerivedType ()>(), "TestDerivedType");
diff --git a/unittests/inheritance.chai b/unittests/inheritance.chai
index d93ca88..1fcd346 100644
--- a/unittests/inheritance.chai
+++ b/unittests/inheritance.chai
@@ -1,6 +1,6 @@
 load_module("test_module")
 
-var t0 = TestBaseType();
+var t0 = TestBaseType()
 var t = TestDerivedType();
 
 assert_equal(t0.func(), 0);
diff --git a/unittests/utility_test.cpp b/unittests/utility_test.cpp
index 21294a1..bcd3240 100644
--- a/unittests/utility_test.cpp
+++ b/unittests/utility_test.cpp
@@ -24,6 +24,7 @@ int main()
       ((function3))
       ((functionOverload)(std::string (Test::*)(double)))
       ((functionOverload)(std::string (Test::*)(int)))
+      ((operator=))
     );
 
   chaiscript::ChaiScript chai;
@@ -32,6 +33,7 @@ int main()
       && chai.eval<std::string>("var t = Test(); t.functionOverload(1); ") == "int"
       && chai.eval<std::string>("var t = Test(); t.functionOverload(1.1); ") == "double")
   {
+    chai.eval("t = Test();");
     return EXIT_SUCCESS;
   } else {
     return EXIT_FAILURE;