Pin "symfony/validator" version on 2.6.x

Pin "symfony/validator" version on 2.6.x

Fix wrong behaviour on JSON rule

Fix wrong behaviour on JSON rule

Prevents noWithespace failing with arrays

Prevents noWithespace failing with arrays

First release of 0.9 series

Date-validation fails when system is set to non-UTC timezone

Date-validation fails when system is set to non-UTC timezone

Fix wrong behaviour on Not rule