EDIT - new feature: abbreviation replacement, lol = laugh out loud
ADD - add new feature counting negative and positve words, cnt_negation = 0 inital see positive +1, see negative -1 - most of results gets to 0
ADD - new feature - number of exclamation marks
ADD - lexicons to learn from
ADD - new feature has_repeated_characters (i.e gooooood => true)
EDIT - change attribute name cnt_negation -> is_positive_dominant
--slang-file , --pos-neg--file support input parameters for your own files, refactor lexicons in folder
fix @pos_neg_file in reading files
parameter even_rows let you choose number of even rows between pos and neg reviews, defualt is 0 ignored