Added collapsing menus to docs and improved content and visuals
Fixed an edge case (\r in strings) when reading csv2 files
Implemented sort_freq() function
Implemented writing data in pretty printing
Implemented writing data in markdown format
Implemented writing data in latex table format
Implemented writing data in html table format
Implemented load_random_sample() function
Implemented resample() function
Implemented DivideToBinsVisitor visitor
Implemented DivideToQuantilesVisitor visitor
Implemented the pipe() function
Implemented fl_valid_index() function
Implemented permutation_vec() function
Implemented get_data_every_n() function
Implemented get_n_largest_data() function
Implemented get_n_smallest_data() function
Implemented is_nan_mask() function
Implemented is_infinity_mask() function
Implemented is_defualt_mask() function
Implemented SkewVisitor visitor
Implemented KurtosisVisitor visitor
Added get_mean() to CovVisitor and a bunch of other visitors
Implemented CategoryVisitor visitor
Implemented CoeffVariationVisitor visitor
Added inclusiveness enum class and added it as a parameter to a bunch of slicing and other functions with ranges