v1.9.3

Changelog

9b9a66f Resolve issue #30 (#43)
0ebcff2 add new tests
6bfc0a5 device command
def54fb fix version command
e4ef372 improve update command
d3fcc16 prefix versions with v
15a3517 simplify version ldflag
d51e9e6 simply version command
5e18bcd trim v from version before updating
9e0ccf1 update cobra and delete completion command
7ea8dfc use exact valid args for shuffle