2x shorter vhs, shell completions and more stylish help #39

Job	Run time
Miri (Linux (x64), ubuntu-latest, x86_64-unknown-linux-gnu)	1m 37s
Check (Linux (x64) \| Debug)	1m 7s
Check (Linux (x64) \| Release)	1m 24s
Check (Linux (ARM) \| Debug)	27s
Check (Linux (ARM) \| Release)	1m 25s
Check (MacOS (x64) \| Debug)	1m 13s
Check (MacOS (x64) \| Release)	2m 7s
Check (MacOS (ARM) \| Debug)	1m 6s
Check (MacOS (ARM) \| Release)	3m 6s
Check (Windows (x64) \| Debug)	1m 5s
Check (Windows (x64) \| Release)	1m 56s
	16m 33s

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