GitLab

* add initializers and BaseModule for unified parameter initialization

* fix circle import

* bug fix

* add is_init flag in BaseModule

* fix docstring

* sort import and fix doc format

* fix bug

* fix docformat and double quote string

* fix import sort

* import sort

* sort import

* revise according to comments

* fix doc format

* revise according to comments

* revise import and fix typo

* polish code

* revise minors

* revice minors

* revise apply function

* revise bias initialization with probability

* add type test for bias_prob

* revise minors