Merge branch 'develop' into release-3.0.1-branch
(Better links for cloning in manual.)
Merge branch 'develop' into release-3.0.1-branch
Merge branch 'develop' into release-3.0.1-branch
Use totaln rather than n in intersec.  Resolves issue #103.
Update CHANGELOG for 3.0.1.
Copy CHANGELOG changes from 3.0.1.