In Progress.

$ver = $host | Select-Object version
if ($ver.Version.Major -gt 1) { $host.Runspace.ThreadOptions = "ReuseThread" } 
if ($null -eq (Get-PSSnapin "Microsoft.SharePoint.PowerShell" -ErrorAction SilentlyContinue)) {
    Add-PSSnapin "Microsoft.SharePoint.PowerShell"
}