Started to improve docs.

Added more tests.
Added code to speed up traits class construction and usage.
Tweeked extern template code.


[SVN r25002]

test/regress/main.cpp

@@ -49,6 +49,9 @@ int cpp_main(int /*argc*/, char * /*argv*/[])
    test_options();
    test_options2();
    test_en_locale();
+   test_emacs();
+   test_operators();
+   test_overloads();
    return error_count;
 }