add: calculation.hpp
alt: calculation.hpp
add: distance.hpp
add: distance_test
stable: distance
modify: locale setting in cat_str()
add: predicate in sum(), product()
alt: enable to order return type in sum(), product()
Update README.md
add: filter(), partition()
add: GaleShapley
Merge branch 'develop' of https://github.com/regenschauer490/Utility.git
add: filter(), operator==,!= in array
Update README.md
modify: minkowski_distance()
alt: directory
tmp
stable
tmp
tmp