Adding module splitting script:
"Removed week0/asd.py"
"Removed week0/cat2.py"
"Removed week0/concat_files.py"
"Removed week0/division_by_zero.py"
"Removed week0/division_by_zero_tests.py"
"Removed week0/generate_numbers.py"
"Removed week0/magic_string.py"
"Removed week0/pizza.py"
"Removed week0/sum_numbers.py"
"Removed week0/test.py"
"Removed week0/wc.py"
Modified split_script.py
"Removed week0/lesson2.py"
Added solution to biggest_difference
"Added solution for calculate_coins"
"Added solution for cat"
"Added solution for cat2"
"Added solution for concat_files"
"Added solution for contains_digit"