[win32 SQLServer] connection lost detection
The pyodbc driver when connected to SQLServer 2005 reports lost connections in
a quite strange way, raising a pyodbc.Error exception with a specific exc.args value.
This patch catches these and reconnect properly.
debian/tmp/usr/lib/PY_VERSION/site-packages/cubicweb/web usr/lib/PY_VERSION/site-packages/cubicweb
debian/tmp/usr/share/cubicweb/cubes/shared/data usr/share/cubicweb/cubes/shared
debian/tmp/usr/share/cubicweb/cubes/shared/wdoc usr/share/cubicweb/cubes/shared