* test-enhancement

* test-enhancement

* test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

test-enhancement

modify get_started

modify get started

modify get started

modify

* modify base_test to resolve conflicts

* test-tmp

* modify config

* modify config

* imeplement nulllogger to bypass go vet check

* add test for du

* add test for count

* use make to generate docs

* replace hook with jmp to enable closure

go fmt

* verify-bug

* unhook exec after tests to facilitate following tests

* wrap unhook to pass golint check