added configuration for digv21 module
Merge branch 'master' of github.com:psi46/pxar
remove (tentatively?) DestroyWindow()
mask unused pixels
add FLAG_RISING_EDGE and various utilities for trimming
use VCAL as provided by user (in high range)
trimming should not crash anymore
fix offset in binning (dac dac scan), and show all 256 bins (both cases)
fix compiler warnings
fix more compiler warnings
Using explicit std namespace identifier.
Remove "using namespace std;" from rpc.h, change code accordingly
to use explicit namespace identifier.
Revert "Remove "using namespace std;" from rpc.h, change code accordingly"

This reverts commit be28955857fc9b51164a662891ef3dee27226140.
Use std::runtime_erro instead of std::exception to allow transportation
of the exception message via constructor.