tracedoc is a lua library authored by cloudwu.
https://blog.codingnow.com/2017/02/tracedoc.html (in chinese)
this repo is forked from cloudwu/tracedoc with following new features:
- lua 5.1 support
- add busted test support
- add lots of test code
- add travis CI
- new APIs
- tracedoc.get_changes()
- tracedoc.mark_changed()
- tracedoc.check_type()