Docstring written to some methods in Basic()
Docstring written to some methods in Basic()

In particular: assumptions0, new(), compare(), compare_pretty(), func(),
iter_basic_args(), has() and match().

This raises the coverage of basic.py from 36% to 50%.

Signed-off-by: Ondrej Certik <b816faa87b7d35274d2e545c5be11ed4376f3ccf@certik.cz>
Signed-off-by: Aaron Meurer <31f32c38d376716288ed3532810268fc4a4ffcc6@gmail.com>
Signed-off-by: Luke Peterson <40c2226bc5340f3fd9c6b1fb4a17b083b7e00087@gmail.com>

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