Development for v2.4.

Switch to release v2.3.

Revert IND constants changed in cb94432.

Development for v2.3.

Update version to 2.1.1.

Fix sort() const problem introduced in 7d22984.

Development for v2.2.

This is the end of meryl development in canu. This branch was adding …

…support for

64-mers.  It was merged directly into https://github.com/marbl/meryl instead of
canu.  The merge is roughly at 9b8ca4c51187fb1ea9bff530d7450230ceab3170.

Switch version to 'release'.

Update for the last copyright update.