fix connecting to 3

[potatoqualitee]

ipmo tentools -force; $null=Connect-TNServer -ComputerName securitycenter -Type tenable.sc -Credential $secman; $null=Connect-TNServer -ComputerName macmini -Credential $cred; $null=Connect-TNServer -ComputerName localhost -Credential $cred ;Import-TNPolicy -FilePath .\tests\library\policy.nessus -Verbose Cannot convert the "System.Object[]" value of type "System.Object[]" to type "System.Version". At line:201 char:38

• $script:NessusConn[$($script:NessusConn.Count) - 1].S ...

• 
  + CategoryInfo          : InvalidArgument: (:) [], RuntimeException
  + FullyQualifiedErrorId : ConvertToFinalInvalidCastException