v1.202
Used `IsNullOrEmpty` to support PS 2.0 Replaced `IsNullOrWhitespace` with `IsNullOrEmpty` to properly support PowerShell 2.0. `IsNullOrWhitespace` was introduced in 3.0.
Used `IsNullOrEmpty` to support PS 2.0 Replaced `IsNullOrWhitespace` with `IsNullOrEmpty` to properly support PowerShell 2.0. `IsNullOrWhitespace` was introduced in 3.0.