Minor changes in SubWindowHandle
Add code to the FrameDifference module
Improve modules code and add a requirements variable
Change functions in PlaYUVerFrame and PropertiesSidebar
Add new contructor to PlaYUVerFrame to improve the copy of frames
Add support to stop histogram when frames are removed
Creation of the function ModulesHandle::applyModuleIf and minor changes in the modules
Compute the histogram with a new frame
Use function ModulesHandle::applyModuleIf to apply modules
Add an array of window to each module in order to support multiple frames