Add requirements-dev.txt as the default for installation
Add requirements-dev.txt as the default for installation

Fix #182

marcusrehm/serenata-de-amor,datasciencebr/jarbas,datasciencebr/jarbas,datasciencebr/jarbas,datasciencebr/jarbas,marcusrehm/serenata-de-amor,datasciencebr/serenata-de-amor,marcusrehm/serenata-de-amor,datasciencebr/serenata-de-amor,marcusrehm/serenata-de-amor