add debug setting
add wheelHandler for Widget
with CTRL it zoomes the image
without it controlles the QScrollbar
Merge branch 'master' into feature/Wheel_Zooming
Merge branch 'hotfix/HumanDate' into dev
fix image fit to window
Merge branch 'feature/Wheel_Zooming' into dev
Merge branch 'release/V1.1.6_b'