Merge branch 'feature_param_query_builder' into 'development'

gulpfile.babel.js

package.json

src/libs/middlewares/parseParams.js

src/libs/middlewares/reqQueryFields.js

src/libs/routes/api.js

src/libs/routes/city.js

src/libs/routes/enrollment.js

src/libs/routes/region.js

src/libs/routes/school.js

src/libs/routes/state.js

src/test/city.js

src/test/enrollment.js

src/test/region.js

src/test/school.js

src/test/state.js