implement #1
fix conflict
add jsFiddle
update link to minified version
add travis support #2
solve stackoverflow pb http://stackoverflow.com/questions/26128647/lodash-how-to-convert-a-nested-object-into-a-unique-array
solve stackoverflow pb http://stackoverflow.com/questions/26128647/lodash-how-to-convert-a-nested-object-into-a-unique-array