- better error messages
- missing instrument is only allowed with 'list'
- missing argument to be replaced with ? in error message
- sea cli may now be given with 'graph' or 'sea' for service
- MAIN is automatically replaced by the basename of the home directory
- when %(ins) is omitted in *_command, it is also replaced by this
+ add help subcommand
- do not start sea server automatically
- replace _SERVICE in FRAPPY_HISTORY by service name
- imporve error messages
- no fiddling around with sys,path, reply on PYTHONPATH for
finding packages
- servman.cfg moved to home directory
- changed mechanism to retrieve frappy cfg in list
- fixed bin/sea to accept also foreign instruments for gui / cli