This commit was manufactured by cvs2svn to create branch
'tuples_subnamespace'.

[SVN r11026]
most definitions are now in tuples subnamespace, more tests moved
to tuple_test_bench.cpp


[SVN r11050]
tuples subnamespace added


[SVN r11051]
Definitions now in tuples subnamespace


[SVN r11052]
Now works on non-MSVC compilers


[SVN r11057]
tuples in separate namespaces now compile under MSVC++ as well
changed tuple_length, tuple_element, tuple_access_traits
to tuples::length, tuples::element and tuples::access_traits


[SVN r11058]
moved some tests that require user interaction from tuple_test_bench.cpp
to another_tuple_test_bench.cpp


[SVN r11059]