Update doc/add to allow sending an input file.

Work on the batch documentation and add batch test fixtures.
0.1.290
Rename batch test fixture.
0.1.291
Implement batch file async functions.
0.1.292
Draft --noop implementation.
0.1.293
Draft work on supporting non-hyphenated options.
Support arguments without leading hyphens.

Interactive mode only, such that it is possible to do no-color rather
than --no-color.
0.1.294