Address msvc issues with #167 #165

The best we can get it down to is 2 moves in MSVC, it does not
elide the moves/copies as well as GCC and Clang do

It's not possible for us to support registering of array types in
MSVC12, but we can in MSVC14 with the latest release of the
compiler.

include/chaiscript/dispatchkit/proxy_functions.hpp

@@ -490,8 +490,17 @@ namespace chaiscript
           std::vector<Type_Info> types = t_f->get_param_types();
           assert(types.size() == t_args.size() + 1);
 
+#ifdef CHAISCRIPT_MSVC_12
+#pragma warning(push)
+#pragma warning(disable : 6011)
+#endif
+          // this analysis warning is invalid in MSVC12 and doesn't exist in MSVC14
           std::vector<Type_Info> retval{types[0]};
-          for (size_t i = 0; i < types.size()-1; ++i)
+#ifdef CHAISCRIPT_MSVC_12
+#pragma warning(pop)
+#endif
+
+          for (size_t i = 0; i < types.size() - 1; ++i)
           {
             if (t_args[i].get_type_info() == chaiscript::detail::Get_Type_Info<Placeholder_Object>::get())
             {