* commands
    * improve modify/remove/create to dynamically add syntax items for each type
    * improve modify/remove/create to autocomplete resource names
* provide a setting to turn on/off user interaction during commands (e.g. deletion confirmations)
    * add a "ask the user a question" helper in State
    * confirm deletions in remove
* handle env vars and similar for scripting purposes
* key/value syntax objects
* json objects! (set json on; ...)
* make the shell generic and have it load a plugin matching the name of argv[0] for syntax