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load 1 3 5-7 8 ...
also can repeat commands:
load 1 4 1 3-5 (repeats 1 and 4)

The bug with config in shell (changes were not effective immidiately) was
corrected with features/output merge

If an interface needs a recall, it should provide a full cmd_tree

config module is needed for initializing stuff, but should not be
allowd *after* shell is up and running

New error handling is done only with cli.errors raiseCLIError methos