GitLab

* Support path as a key in dict of config

* reformat test case

* update pre-commit version and fix format

* fix bug

* clean code

* reformat

* fix missing parts

* add yapf for pretty text

* add yapf style

* add dump() from for different file type

* remove exception

* add docs for cnn modules

* minor fix

* update format

* minor fix

* bump version to v0.5.1

* fixed config import in code

* fixed isort

* use f-string

* delete python3.5 sup

* minor fix

* fix supported python version

* fix format

* fix yapf

* remove redundant space

* fix typo

* fixed merge_from_dict, add DictAction

* add config docs

* fixed format type

* change to easy example

* update docs

* update docs

* add pretty_text

* add test cases

* add argument indent

* change pretty_text to property

* fixed format end

* remove supports for python 2.7

* fix the unit test for python 3.5

* add python 3.8 in CI

* try ubuntu 18.04 as the environment

* add base for config

* fixed format

* rm terminal width

* support multiple & recursive base

* add test case

* fix format

* add test construct

* minor fix

* add more test, rewrite merge from opt

* avoid depulicate keys

* delete imported config as module

* rename merge_from_dict

Signed-off-by: lizz <lizz@sensetime.com>

* add copyright header

* change # to // for cpp files