[fixed] null everywhere

Author: ryanflorence

src.js

@@ -29,7 +29,7 @@ var list = {
   },
 
   transform (snapshotVal) {
-    return snapshotVal === null ? null : toArray$(snapshotVal);
+    return toArray$(snapshotVal);
   },
 
   toString () {
@@ -88,6 +88,8 @@ var createRefForReals = (Firebase, path, routes, host) => {
   };
   var parse = (snapshot, cb) => {
     var snapshotVal = snapshot.val();
+    if (snapshotVal === null)
+      return cb(null, null);
     var transformed = handler.transform ? handler.transform(snapshotVal) : snapshotVal;
     addIdForLists(snapshotVal, matchInfo.route, path);
     addRelationships(transformed, matchInfo);

tests.js

@@ -55,7 +55,7 @@ describe('ref', () => {
       });
     });
 
-    it.only('handles null values for lists', (done) => {
+    it('handles null values for lists', (done) => {
       var schema = Schema.create(Firebase, HOST, (child) => {
         child('test', list, (child) => {
           child(':id', string, (child) => {