Merge pull request mpdavis#180 from blag/bump-version-3.2.0

Bump version to 3.2.0 and update changelog

Merge pull request mpdavis#159 from blag/last-3.1.0-tweaks

Last 3.1.0 tweaks

Bump version to 3.0.1

Update readme

Release 2.0.2

bump version

default to pycrypto backend

Release 1.4.0

chore: release 1.3.2

chore: release 1.3.1