Be more tolerant of exception messages from sqlite
Be more tolerant of exception messages from sqlite

Parsing the text of error messages was always perilous, perhaps.
Either way, this should fix the problem of test_get() failing.

Change-Id: I929c2f6e60624241075a292d020c5707ea0ff1c3

smerritt/swift,openstack/swift,nadeemsyed/swift,openstack/swift,tipabu/swift,tipabu/swift,swiftstack/swift,tipabu/swift,swiftstack/swift,smerritt/swift,nadeemsyed/swift,nadeemsyed/swift,matthewoliver/swift,smerritt/swift,matthewoliver/swift,openstack/swift,matthewoliver/swift,swiftstack/swift,openstack/swift,smerritt/swift,tipabu/swift,nadeemsyed/swift,matthewoliver/swift