removed xmlwitch dependency on dev version
removed xmlwitch dependency on dev version

cchurch/pywinrm,GitHubFriction/pywinrm,diyan/pywinrm,max-orlov/pywinrm,cloudbase/pywinrm,cchurch/pywinrm,luisfdez/pywinrm,max-orlov/pywinrm,max-orlov/pywinrm,cloudbase/pywinrm,cchurch/pywinrm,luisfdez/pywinrm,GitHubFriction/pywinrm,GitHubFriction/pywinrm,luisfdez/pywinrm