Add-WindowsPSModulePath adds empty entries in certain cases. #62

4143> $Env:PSModulePath -split [System.IO.Path]::PathSeparator
C:\Users\bubba\Documents\PowerShell\Modules
C:\Program Files\PowerShell\Modules
c:\program files\powershell\6\Modules
C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules
C:\Users\bubba\Documents\WindowsPowerShell\Modules
C:\Program Files\WindowsPowerShell\Modules

C:\Program Files (x86)\Microsoft SQL Server\130\Tools\PowerShell\Modules\
PS ~
4144>

if ($pathTable[$path])
{
    continue
}

if ([string]::IsNullOrEmpty($path) -or $pathTable[$path])
{
    continue
}