Adds few sorting algorithms

pyrithms/sorts/bogo_sort.py
pyrithms/sorts/bubble_sort.py
pyrithms/sorts/comb_sort.py
pyrithms/sorts/insertion_sort.py
pyrithms/sorts/merge_sort.py
pyrithms/sorts/quick_sort.py
pyrithms/sorts/radix_sort.py
pyrithms/sorts/selection_sort.py
pyrithms/sorts/shell_sort.py