- config Server: change time duration to golib duration to simplify
marshal string form
- adjust test following update of config server
- fix test in socket package to use BDD framework & gherkin form
- adjust documentation & test
Package HTTPServer:
- Fix bug in PortUse & PortNotUse
- Move function PortUse & PortNotUse as alone function
- Add test & documentation
- Unify test & documentation following other packages
