bugfix: removed the duplications in the ranges of a clone class. (duplicates happens when the min_len threshold is very small, e.g. 1).
bugfix: removed the duplications in the ranges of a clone class. (duplicates happens when the min_len threshold is very small, e.g. 1).


arcusfelis/wrangler,prowessproject/wrangler,bsmr-erlang/wrangler,arcusfelis/wrangler,tdb/wrangler,andrzejsliwa/wrangler