allow for errors longer than 1024 characters
allow for errors longer than 1024 characters

Modified ShowError to use Wsript.Shell.Popup in place of MsgBox

Changed line endings to vbCrLf for proper copy/paste from error popup.

Reference: http://blogs.technet.com/b/heyscriptingguy/archive/2005/06/02/how-can-i-display-more-than-1-023-characters-in-a-custom-message-box.aspx
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