v2.26.2 adding features and squashing bugs

[scrthq]

2.26.2

• Issue #177
  • Added: Fields parameter to Get-GSDriveFileList
• Issue #178
  • Fixed: Start-GSDriveFileUpload failing on PowerShell 4.0
• Issue #179
  • Added: Ims parameter to both New-GSUser and Update-GSUser
  • Added: Add-GSUserIm function to create correct type for new Ims parameter.
• Miscellaneous
  • Added: Clear-PSGSuiteServiceCache to clear the cache and dispose of any remaining open web clients.
  • Improved overall service caching.
  • Added: Support for Cloud-Identity licenses for Get-GSUserLicense
  • Added: OutputType for all applicable Helper functions (i.e. Add-GSUserIm)