[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.
msgid "read_perm"
msgstr ""
msgid "add_perm"
msgstr ""
msgid "update_perm"
msgstr ""
msgid "delete_perm"
msgstr ""