Fixed pylint violations except of two Refactor of anydo.lib.bind.

Not yet fixed as follows;
---
Module anydo.lib.bind
R: 15, 4: Too few public methods (1/2) (too-few-public-methods)
R: 11, 0: Too many branches (18/12) (too-many-branches)

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>