MAX!Cube exclusive mode and only send events when values really changed plus some code simplifications
fixed exclusive polling on linux, added some debug
added Max!Cube S-Message and MaxRequestsPerConnection option
Max!Cube changed some author tags
Max!Cube removed useless includes
MaxCube added more documentation to config
Merge pull request #1658 from bhelm/master

[Max!Cube binding] new exclusive mode, send only events if values really changed