v0.4.1-beta

Many improvements

• renamed logon.vsts to logon.ado
• fixed work item creation and linking
• support for exisisting Resource Group
• unmap.rule can filter on Project name
• list.mappings can filter on Project name
• update.rule command to update rule code
• fixed checks on version of Aggregator runtime and download from GitHub
• Resource Group removed only if created by Aggregator
• fixed unwanted test function for new instances
• exposed IdentityRef type to manage users
• invoke.rule command test rule code locally
• multiple algorithms to commit changes to Azure DevOps
• improved logging
• automated integration tests
• use of latest SDK and NuGet packages
• updated docs