PySqlite backend: disable connection pooling, except on Windows. This was triggering crashes on Linux, so we can't keep connection pooling enabled until this gets fixed upstream (pysqlite:ticket:187).
PySqlite backend: disable connection pooling, except on Windows. This was triggering crashes on Linux, so we can't keep connection pooling enabled until this gets fixed upstream (pysqlite:ticket:187).

git-svn-id: 0d96b0c1a6983ccc08b3732614f4d6bfcf9cbb42@4493 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac