Add pronoun plots and some minepy stuffs

grishaverse/plots/bad/pos_tag_freq.png

grishaverse/plots/bad/pronoun_dist.png

grishaverse/plots/bad/punct_freq.png

grishaverse/plots/bad/short_sent_len_dist.png

grishaverse/plots/bad/token_freq_len_dist.png

grishaverse/plots/canon/full_sent_len_dist.png

grishaverse/plots/canon/pronoun_dist.png

grishaverse/plots/canon/short_sent_len_dist.png

grishaverse/plots/good/full_sent_len_dist.png

grishaverse/plots/good/md_freq.png

grishaverse/plots/good/pos_tag_freq.png

grishaverse/plots/good/pronoun_dist.png

grishaverse/plots/good/punct_freq.png

grishaverse/plots/good/short_sent_len_dist.png

grishaverse/plots/good/token_freq_len_dist.png

grishaverse/plots/medium/full_sent_len_dist.png

grishaverse/plots/medium/md_freq.png

grishaverse/plots/medium/pos_tag_freq.png

grishaverse/plots/medium/pronoun_dist.png

grishaverse/plots/medium/punct_freq.png