Merge pull request INESCTEC#39 from moty66/master

fix bad char encoding for italian stopwords

Merge pull request INESCTEC#28 from LIAAD/langdetection_bug

add empty stopword list

fix non supported language

fix text highlight bug

version 0.4.1 pretty print and invert result tuple order (keyword, sc…

…ore)

version 0.4.0 with Docker support