Support multiple expenses in one reimburesement

lib/serializers/expense.js

@@ -20,6 +20,11 @@ class Expense {
    * @public
    */
   serialize () {
+    // Write it pretty to ipfs
+    return JSON.stringify(this.data, null, 2);
+  }
+
+  get data () {
     let {
       title,
       description,
@@ -47,8 +52,7 @@ class Expense {
       data['url'] = url;
     }
 
-    // Write it pretty to ipfs
-    return JSON.stringify(data, null, 2);
+    return data;
   }
 
   /**
@@ -58,7 +62,6 @@ class Expense {
    */
   validate () {
     const serialized = JSON.parse(this.serialize());
-    console.log(schemas['expense']);
     const valid = validator.validate(serialized, schemas['expense']);
     return valid ? Promise.resolve() : Promise.reject(validator.error);
   }