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**Added:**
* Azimuthal integration of diffraction image with auto masking and background subtraction.
* Calculate the average of multiple diffraction image frames.
* Visualization of pair distribution function (PDF) or other 1D data.
* Visualization of the modeling results of 1D PDF data.
* Easy-to-use tools to create *DiffPy-CMI* recipe to model PDF and run optimization.
* Simple csv-file-based database to save the modeling results.
* A command line interface (CLI) for all the functionality.