Allow Symfony 4.0, drop support for Symfony 2.8

v2.4.0

Drop support for Symfony 2.8

v2.3.0: Merge pull request #23 from mops1k/fix_label_translations

See #23.

v2.2.0

• Forms now accept pre-filled data (#21).
• You will be asked to fill in form fields until you have submitted valid data for all of them (#21).

Supply default human-readable labels

See #12.

Improve code style and documentation

Merge pull request #9 from EmanueleMinotto/reviews

Reviews