Added placeholder methods

gapi/calendar_api.py

@@ -44,9 +44,13 @@ class event:
         self.summary = summary,
         self.description = description,
         self.location = location
-    def add_reminder(self,minutes_till,method = 'popup'):
+    def add_reminder(self,minutes_until,method = 'popup'):
         pass
-    def add_weekly_recurrence(self,*days)
+    def add_weekly_recurrence(self,*days):
+        pass
+    def json(self):
+        pass
+
 class calendar_api(API):
     def __init__(self,
             app_name,