Log Message:
Changes 1.9.1:
User-visible changes:
- Client-side bugfixes:
  * Fix crash with GPG-agent with non-canonical $HOME
  * Fix checkout errors with svn+ssh:// on Windows
  * svn: expose expat and zlib versions in svn --version --verbose
  * svn: improve help text for 'svn info --show-item'

- Server-side bugfixes:
  * svnserve: fixed minor typo in help text
  * Enable caching with memcached on Windows
  * Fix an error leak in FSFS verification
  * Fix incomplete membuffer cache initialization
  * svnfsfs: fix some bugs and inconsistencies in load-index

- Client-side and server-side bugfixes:
  * Fix alignment fault in ra_svn on 32 bit SPARC machines

- Bindings bugfixes:
  * Fix memory corruption in copy source SWIG bindings