Changed source tree.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Suppress pylint errors.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Fixed fixtures path.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Fixed modules importing.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Added docstrings.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Applied sphinx document.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>