Fix typos (#1448)

Found via `typos --hidden --format brief`

This is 1.10.0

Update 1.10.0rc1 release date

Update version and change log for 1.10b3

This is 1.10b2

Fix reference in change log

Rename VSI plugin prefix

Resolves #1369

This is 1.9.6

Remove use of pkg_resources

Temporarily revert version