Alex 2d037d00d7 Use set operations in suggest_similar_tag method; add tests (#230)
* Use set operations in suggest_similar_tag method; add tests

* remove extra blank line
2017-11-06 08:19:10 +05:30
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2017-03-18 19:11:59 +05:30
2017-03-18 19:11:59 +05:30