Better tests, solutions and less ambiguities.
More Long

+ allSongs: Seq[Long]
Mover el resto de los números a Solutions
Merge pull request #5 from fedesilva/more-in-test
Merge remote-tracking branch 'upstream/master'
Solución actualizada

Merge remote-tracking branch 'origin/master' into sol-german

Conflicts:
	src/main/scala/Duplicates.scala