aca 0006df6026 cmd: Refactor subcommands, add help, make them pluggable
* cli: Change command structure, add help subcommand (#328)

* cli: improve subcommand structure

- make help command as normal subcommand
- add flag usage message for each command

* cmd: Refactor subcommands and command line help; make commands pluggable
2019-09-30 21:23:58 -06:00
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2019-07-24 01:28:33 -06:00