don't use parse_requirements

this is causing unnecessary pain installing across pip versions.

don't use parse_requirements

this is causing unnecessary pain installing across pip versions.

Prepare for 3.2.0 release. Update change log and bump version.

Release 3.1

Release 3.0.0

Set version to 2.3.0

Deploy from production branch.

[skip ci]

Release 2.2

Fix a bug in cursors and tweak tests.