Reactivate send/receive tests
Add interrupt member to operator class
Interrupt all operators before stopping the threads
Receive data in calling thread instead of separate thread
Export trigger data variant in python wrapper
Export trigger data in python wrappers
Add trigger to parameter test operator
Temporary CMakeLists changes
Merge branch 'master' of github.com:uboot/stromx
Fix single threaded receive
Can not call receive after client has been stopped
Disable network tests
Add empty operator WriteGpio
Add empty operator ReadGpio
Add GPIO helper functions
Write GPIO
Support gpio parameter
Rename 'Trigger' to 'Block'
Fix trigger data traits
Add first version of ConstData operator