src/main/java/de/jformchecker/validator/DefaultValidator.java
private ValidationResult allCriteriaSatisfied(FormCheckerElement elem) {
		for (Criterion criterion : elem.getCriteria()) {
			ValidationResult vr = criterion.validate(elem);
			if (!vr.isValid()) {
				return vr;
			}
		}

		return ValidationResult.ok();
	}
private ValidationResult allCriteriaSatisfied(FormCheckerElement elem) {
		for (Criterion criterion : elem.getCriteria()) {
			ValidationResult vr = criterion.validate(elem);
			if (!vr.isValid()) {
				return vr;
			}
		}

		return ValidationResult.ok();
	}
RFE: Maybe return here an array? So we can have more than one error-message per field.