Log Message:
Update to 1.22
Update DEPENDS

Upstream changes:
1.22 1 Nov 2018
    Added prerequsitie module Lingua::En::Sentence to build files
    Updated main.t

1.21 31 Oct 2018
    Updated main.t

1.20 31 Oct 2018
    Renamed github repo to 'Readability'
    Used Lingua::EN::Sentence instead of a regexp to get a more accurate \ 
sentence count