Merge branch 'release_v1.4.0'

.gitignore

CHANGELOG.md

src/libs/convert/ageRange.js

src/libs/convert/fullAgeRange.js

src/libs/convert/incomeLevel.js

src/libs/convert/transportationManager.js

src/libs/middlewares/addMissing.js

src/libs/middlewares/id2str.js

src/libs/middlewares/response.js

src/libs/routes/api.js

src/libs/routes/auxiliar.js

src/libs/routes/cub.js

src/libs/routes/enrollment.js

src/libs/routes/liquidEnrollmentRatio.js

src/libs/routes/outOfSchool.js

src/libs/routes/pibpercapita.js

src/libs/routes/rateSchool.js

src/libs/routes/school.js

src/libs/routes/transport.js

src/libs/routes/user.js