v0.5.0

• Similarity search type now defaults to :word_similarity instead of similarity.
• Possible similarity/5 search types are updated to be prefixed with similarity to replicate 1-1 these in pg_trgm extension.

Torus.similarity(query, [p], [p.title], "hoggwarrds", type: :word_similarity)

• Now all Torus functions have a section for optimization