Merge branch 'master' of https://github.com/fengruzhuo/debug

Conflicts:
	README.md
Merge branch 'master' of https://github.com/fengruzhuo/debug into developing

Conflicts:
	README.md
add composer
add composer
Merge branch 'master' of https://github.com/fengruzhuo/debug

Conflicts:
	composer.json
modify readme