v0.1.2.0: Update required PowerShell version to 4.1.0

• Fixed a problem where completion for built-in subcommands did not work properly. (#1)
• Fixed an issue where invisible errors accumulate on completion. (#2)

Thanks @GNQG for your contribution.

• Update required PowerShell version to 4.1.0
  • Modules that require earlier version than 4.1.0 cannot be published to PowerShell Gallary.

https://www.powershellgallery.com/packages/posh-cargo/0.1.2