Merge branch 'develop' into 'master'

.gitignore

.gitlab-ci.yml

CHANGELOG.md

package.json

src/api/controllers/form.spec.ts

src/api/controllers/form.ts

src/api/controllers/formAnswer.spec.ts

src/api/controllers/formAnswer.ts

src/core/formUpdate.ts

src/core/input.ts

src/utils/answerQueryBuilder.ts

src/utils/dbHandler.spec.ts

src/utils/dbHandler.ts

src/utils/diffHandler.spec.ts

src/utils/diffHandler.ts

src/utils/enumHandler.spec.ts

src/utils/enumHandler.ts

src/utils/formQueryBuilder.ts

src/utils/optHandler.spec.ts

src/utils/optHandler.ts