Merge pull request #79 from corbindavenport/dev

Nexus Tools 5.7

Merge pull request #75 from corbindavenport/dev

Nexus Tools 5.6

Merge branch 'dev'

Fix version number

Fix PATH on Windows, update version to 5.3

Update install script for macOS 12

Fix OS reporting on Windows

Merge branch 'master' into dart

Update version

Merge branch 'dev'