make it modular
http client
http collect
Juggling Async
Awesome Improvements by @tgfjt
module
Translated file server (need to check that tomorrow)
Small fixes
http file server
Kind improvements from @tgfjt
Ending bold
http uppercaserer
json server
Merge branch 'jp' into jp-improvement

Conflicts:
	exercises/http_json_api_serverhttp_json_api_/problem.md
Credits
Title update
アーギュメント -> 引数
メソード -> 関数
Space between foreign words
Make it modular Level++
client http Level ++