Merge pull request Z-Bolt#313 from Z-Bolt/2.7.4-dev

2.7.4 dev into master

Merge pull request Z-Bolt#296 from Z-Bolt/2.7.3-dev

2.7.3 dev into master

Merge pull request Z-Bolt#290 from Z-Bolt/2.7.2-dev

2.7.2-dev into master

Merge pull request Z-Bolt#286 from Z-Bolt/2.7.1-dev

merge 2.7.1-dev into master

Merge pull request Z-Bolt#272 from Z-Bolt/2.7.0-dev

merge 2.7.0-dev into master

Merge pull request Z-Bolt#272 from Z-Bolt/2.7.0-dev

merge 2.7.0-dev into master

Merge pull request Z-Bolt#272 from Z-Bolt/2.7.0-dev

merge 2.7.0-dev into master

Merge pull request Z-Bolt#198 from Z-Bolt/2.6.1-dev

2.6.1 release

removed development notice

stabilization