UVF exception for pysvn

pysvn 1.5.1 updates (see bug 86883 for the pycxx changes).

$ cat /home/doko/pysvn.diffstat
 Builder/builder_custom_init.sh | 9 ---
 Builder/version.info | 2
 Docs/generate_cpp_docs_from_html_docs.py | 2
 Docs/pysvn.html | 2
 Docs/pysvn_prog_guide.html | 2
 Docs/pysvn_prog_ref.html | 4 -
 Examples/Client/svn_cmd.py | 36 ++++++++-------
 Kit/Linux/make_rpm.py | 6 +-
 Kit/MacOSX/make_pkg.py | 56 +++++++++++++++--------
 Kit/Win32/pysvn.iss | 4 -
 LICENSE.txt | 2
 Source/pysvn.cpp | 2
 Source/pysvn.rc.template | 2
 Source/pysvn.vcproj | 24 +++++-----
 Source/pysvn/__init__.py | 24 +++++++++-
 Source/pysvn_common.mak | 9 +--
 Source/pysvn_svnenv.cpp | 2
 Source/run_devenv.cmd | 1
 Source/setup.py | 74 ++++++++++++++++++++++++++++---
 Tests/pysvn_test_common.mak | 6 +-
 20 files changed, 185 insertions(+), 84 deletions(-)