change OWEwoksBaseWidget input/output API: task_inputs, task_outputs,...

change OWEwoksBaseWidget input/output API: task_inputs, task_outputs, task_input_values, task_output_values
4 jobs for !40 with 12-add-inout-output-api-to-_owewoksbasewidget in 1 minute and 45 seconds (queued for 5 seconds)
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