Prepare patch release v3.7.1 (#1408)

* Prepare patch release v3.7.1

* Update CHANGES.md

Co-authored-by: André Offringa <[email protected]>

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Co-authored-by: André Offringa <[email protected]>

Prepare for v3.7.0

Bump version, add numpy change to changelog

Code style

Add changelog (#1213)

Make 3.4.0 changelog (#1093)

* Make 3.4.0 changelog

[skip ci]

* Bump SOVersion

Prepare for v3.3.0

Increment soversion, increment patch version (#981)

Fixes #969

Merge pull request #980 from casacore/v3.2

Prepare release 3.2

Bump version to 3.1.2