1.3: Merge pull request #11 from textshuttle/fix_apostrophe_regex

replaces [a-z] regex with \w so the apostrophes followed by "é" (or similar) are not replaced by double quotes anymore.

1.2

don't use Parallel for a single process

This pickles the whole corups, and somhow crashes if the corpus is too large

1.1

• add punctuation normalizer

1.0

remove unnecessary escapes