code: function checkByAll ( rules, value, fieldMeta ) {
          return (rules || [])
              .map(function ( rule ) { 
                  return checkByRule( rule, value, fieldMeta );
              })
              .filter(function ( el ) { return null !== el; });
      }
docs: Validates field's value against list of validation rules.
  Returs sublist of validation rules that was not sutisfied
  by value.
  @param {Object[]} rules - list of validation rules.
  @param {Object} value - value to validate.
  @returns {Object[]}