refactors break lines
add gem better errors
refactor definitions methods of home_controller, add break line
refactor level to use scope, fix specs
agree with report houndci
Adiconado novo contribuidor
Adicionado novos scopes, refatorado specs, e adicionado novos specs para os scopes
Merge pull request #150 from jeanmatheussouto/quick-refactors-code-style

Quick wins