Update copyright in README.rst

4.6.0 final changes

Updates for 4.5.2. Added zipapp package to scons-locals

4.5.1 release items

updates

updates for 4.4.0

4.3.0 updates

final versioning info for 4.2.0

Bump version to 4.1.0.post1 and fix non-wheel packaging of manpages

update API doc version to 4.1.0 and add some more dependencies on the…

… api target to include the sphinx config files