First commit for shell. Dmitry Morozov, 396
Style fix 1
Style fix 1
Style fix 2
Style fix 2
Style fix 3
Style fix 4
Starting path changed
Packet mode returns non-zero exit code on error
Packet mode returns non-zero exit code on error; style checked
Merge pull request #119 from annoing-morda/master

Дмитрий Морозов, 396, shell
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