Merge pull request nccgroup#598 from nccgroup/develop

release/5.6.0

Update version

Merge pull request nccgroup#508 from nccgroup/develop

release/5.4.0

Upgrade version

Upgrade version

Up version for fixes

Merge pull request nccgroup#463 from nccgroup/develop

release/5.3.0

Merge pull request nccgroup#419 from nccgroup/release/5.2.0

Release/5.2.0

Merge pull request nccgroup#401 from nccgroup/release/5.1.0

Release/5.1.0

Restore empty init files