Clustimage

* Fixes regarding saving and loading
* Code refactoring
* Docstrings updated

* More code refactoring
* More code conventions
* Plots and scatterplots are improved
*

* Various bug fixes
* changing parameter conventions, method into evaluate
* Added new function to extract unique images
* code refactoring
* docstring updated
* new plots added

* bug fixes
* plot updates
* Docstrings
* Some code refactoring

* First release!

Or all in one run
results = cl.fit_transform(Xraw)

print(results['filenames'])
array(['0.png', '1.png', '2.png', ..., '1794.png', '1795.png', '1796.png'],