export getSimilarity

Change-Id: Ia0b4ad86b6ae1be5136d68d07956e05f6f09a75d
diff --git a/lib/IDS/DeReKoVecs/Read.pm b/lib/IDS/DeReKoVecs/Read.pm
index f4e7a98..fb338bd 100644
--- a/lib/IDS/DeReKoVecs/Read.pm
+++ b/lib/IDS/DeReKoVecs/Read.pm
@@ -25,7 +25,7 @@
 use Mojo::JSON qw(decode_json encode_json to_json);
 use Exporter qw(import);
 
-our @EXPORT = qw(init_net load_sprofiles getCollocationAssociation getClassicCollocatorsCached getSimilarProfiles getSimilarProfilesCached getBiggestMergedDifferences filter_garbage get_neighbours getWordNumber dump_vecs dump_for_numpy);
+our @EXPORT = qw(init_net load_sprofiles getCollocationAssociation getClassicCollocatorsCached getSimilarProfiles getSimilarProfilesCached getBiggestMergedDifferences filter_garbage get_neighbours getWordNumber dump_vecs dump_for_numpy cos_similarity_as_json);
 
 
 sub getCollocationAssociation {