Minor changes
Fixed the image duplication. Refactored some more code
Renamed the namespace to ImgManip. Started work to make the manipulator more modular.
Started Code Modularization
Added FormatChanger class
Finished indexed and RGB grayscale conversions in FormatChanger.
Removed grayscale transformations from ImgManip
Extracted the Histogram class from its base Manipulator.
Changed (yet again) the name of the base class.
Fixed histogram generation
Implemented autocontrast. Not checked for bugs
Added icon resources
Moved the includes to a single file to clean the dependency tree
Extracted Thresholder from the Manipulator class