v3.6.1-preview0001

[v3.6.1-preview0001]

Removed

• Remove AppVeyor CI pipeline - fixes Issue #329.

Changed

• Restructure Azure Pipeline:
  • Add testing on Windows Server 2019 and separate module build process.
  • Convert to multi stage pipeline.

Fixed

• Fix default culture case to fix error on module load in PS7
  on Ubuntu 18.04 - fixes Issue #332.