def get_property(value)
      resp = command("get_property #{value}",/#{value.to_s}/).gsub(/ANS(.+?)\=/,"")
      raise StandardError,resp if resp =~ /Failed/
      resp
    end
def get_property(value)
      resp = command("get_property #{value}",/#{value.to_s}/).gsub(/ANS(.+?)\=/,"")
      raise StandardError,resp if resp =~ /Failed/
      resp
    end
Print out the current value of a property.
 raises an error if it fails to get the property