default SpeedmentPredicate<ENTITY> notEqualIgnoreCase(String value) {
        return equalIgnoreCase(value).negate();
    }
Returns a {@link java.util.function.Predicate} that will evaluate to
{@code true}, if and only if this Field is <em>not equal</em> to the
given value while ignoring the case of the Strings that are compared.

@param value to compare
@return a Predicate that will evaluate to {@code true}, if and only if
this Field is <em>not equal</em> to the given value while ignoring the
case of the Strings that are compared

@see String#compareToIgnoreCase(java.lang.String)
runtime-parent/runtime-field/src/main/java/com/speedment/runtime/field/trait/HasStringOperators.java