result class and it's formatting
result format implementation moved to it's string method
calculate_frequncies_from_histogram separate algorithm
frequency algorithm removed from benfords_law class
calculate_benfords_histogram_from_text algorithm
test_benfords_law removed
format_result removed
benfords_law_test_for_digits_frequencies
benfords_law_test_for_digits_frequencies with treshold
skipping zeros at the begginig of numbers