fixes

- fixed missing えん in answer in lesson 3, literacy 8. (#263)
- fixed exercise scores bugging out when switching to another edition.

lessons/lesson-3/literacy-8/index.html

@@ -110,7 +110,7 @@ <h1><a href="../../../" id="home-link" class="edition-icon second-ed">Genki Stud
             '<div class="problem">￥140　{百四十円|ひゃくよんじゅうえん|furigana}</div>'+
             '<div class="problem">￥251　{二百五十一円|にひゃくごじゅういちえん|furigana}</div>'+
             '<div class="problem">￥5,420　{五千四百二十円|ごせんよんひゃくにじゅうえん|furigana}</div>'+
-            '<div class="problem">￥6,070　{六千七十円|ろくせんななじゅう|furigana}</div>'+
+            '<div class="problem">￥6,070　{六千七十円|ろくせんななじゅうえん|furigana}</div>'+
           '</div>'+
 
           '<div>'+

resources/javascript/genki.js

@@ -1371,7 +1371,7 @@
         var lesson = Genki.active.exercise[0],
             genkiEdition = localStorage.GenkiEdition,
             lessonsResults = JSON.parse(localStorage.Results);
-
+        
         if(!lessonsResults[genkiEdition]) lessonsResults[genkiEdition] = {};
 
         var editionLessonsResults = lessonsResults[genkiEdition];
@@ -2194,8 +2194,8 @@
           localStorage.GenkiEdition = /lessons-3rd/.test(window.location.pathname) ? '3rd' : '2nd';
 
           // Create storage for lessons results for specific edition
-          if (!localStorage.Results) {
-            var results = {};
+          if (!localStorage.Results || !new RegExp(localStorage.GenkiEdition).test(localStorage.Results)) {
+            var results = localStorage.Results ? JSON.parse(localStorage.Results) : {};
             results[localStorage.GenkiEdition] = {};
             localStorage.Results = JSON.stringify(results);
           }