Introduce p1tr.test module for automated plugin unit-testing
Introduce p1tr.test module for automated plugin unit-testing

For now, contains unittest.TestCase derivate, specialized for plugins by
providing dummy data, possibly doing more routine work in the future.
The rest is not implemented yet.
TODO: load plugins+tests, run them, log and report results

howard/p1tr-tng,howard/p1tr-tng