release version 10.0.0

Bump version to 9.1.0

Bump to 9.0.0 for release.

Bump to 8.2.0 for release.

Bump to 8.1.0 for release.

Add 8.0.0 release and fix missing 7.0.0

Bump version for 0.18 release.

Bump package and update READMDE for release.

Updates to README for 6.0.0

Upgrade to use latest elm-test and best practices.