Merge pull request #36 from NFSS10/ns/fix_validation_all

Allow not iterable sequence in yonius.all() validation

js/util/validation.js

@@ -153,6 +153,7 @@ export const stringEq = function(valueC, message = "Must be exactly %{1} charact
 
 export const all = function(validation) {
     const _validation = (sequence, ctx) => {
+        if (sequence === null) return true;
         for (const value of sequence) {
             validation(value, ctx);
         }