Important update to gpscon!

For using gpscon in cron, python or any script it is recommended to use the additional otpion "--script" otherwise it could hang.
This feature is there since version 0.0.8. Type gpscon --help to check version.

All other version between 0.0.4 and 0.0.8 have a bug which cause the application hang when used with scripts and if there is no stdin.

For now this is the easiest and safest solution. I will see if it could be detected and automatically switched.