v0.11.0: Merge pull request #402 from daviwil/release/0.11.0

Fixes and improvements

• Added PowerShell/vscode-powershell#583 -
  When you open files in a remote PowerShell session with the psedit command,
  their updated contents are now saved back to the remote machine when you save
  them in the editor.
• Added PowerShell/vscode-powershell#540 -
  The scripts that you debug are now dot-sourced into the integrated console's
  session, allowing you to experiment with the results of your last execution.
• Added PowerShell/vscode-powershell#600 -
  Debugger commands like stepInto, continue, and quit are now available
  in the integrated console while debugging a script.
• Fixed PowerShell/vscode-powershell#533 -
  The backspace key now works in the integrated console on Linux and macOS. This
  fix also resolves a few usability problems with the integrated console on all
  supported OSes.
• Fixed PowerShell/vscode-powershell#542 -
  Get-Credential now hides keystrokes correctly on Linux and macOS.
• Fixed PowerShell/vscode-powershell#579 -
  Sorting of IntelliSense results is now consistent with the PowerShell ISE
• Fixed PowerShell/vscode-powershell#575 -
  The interactive console no longer starts up with errors in the $Error variable.