all commands need a -h help function

[Reimar Bauer]

for building on conda-forge I want principle see that the commands are performing,

see

• mss -h
• mswms -h

we need this for all other main routines. It should show that in principle the module can be loaded, or executed.

‌

‌

[Reimar Bauer]

has to be reviewed

[Reimar Bauer]

has to be reviewed

[Reimar Bauer]

already implemented