Portlist on windows not complete, no candidate for USB connection.
Merge branch 'dev' of git://github.com/wonkoderverstaendige/Spotter into dev
Survived first test run. Some detection issues.

Detection generally works ok, but some frames are detected
incorrectly and the value jumps around strangely, additionally
throwing an exception with the struct.pack conversion method,
number must be between 0 and USHRT_MAX.