Bumped version to 1.2.68 for release!

version: Bumping to 1.2.66 for release candidate.

(Actual release will bump to 1.2.68, and then revision control will go
to 1.2.69 for work, next release candidate will be 1.2.70, then 1.2.72, etc.)

Bumped version to 1.2.64 for release!

version: Bumping to 1.2.62 for release candidate.

(Actual release will bump to 1.2.64, and then revision control will go
to 1.2.65 for work, next release candidate will be 1.2.66, then 1.2.68, etc.)

Bumped version to 1.2.60 for release!

Bumped version to 1.2.58 for prerelease!

Bumped version to 1.2.56 for release!

version: Bumping to 1.2.54 for release candidate.

(Actual release will bump to 1.2.56, and then revision control will go
to 1.2.57 for work, next release candidate will be 1.2.58, the 1.2.60, etc.)

bumped version to 1.2.52