Support for -Depth parameter

[vors]

Since network is not very fast, -Depth parameter become very handy for explorations, i.e. to get all LICENSE files in your org and so on. Currently it produces error.

[8095] GH:\PowerShell\
> ls -Recurse -Depth 1
ls : Provider operation stopped because the provider does not support the 'Depth' parameter.
At line:1 char:1
+ ls -Recurse -Depth 1
+ ~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotImplemented: (:) [Get-ChildItem], PSNotSupportedException
    + FullyQualifiedErrorId : NotSupported,Microsoft.PowerShell.Commands.GetChildItemCommand