Better handling of failed database

minecraft_admin.py

@@ -52,8 +52,12 @@ def mcadmin(**kwargs):
         for i in range(0, len(bans)-1):  # the last ban text ends with a '.' too
             banneduserlist.append(bans[i].split()[0])
     ulist = db.mc_users.find()
+    if serverstatus != "":
         for u in ulist:
             mcuserlist.append({'mcuser': u['mcuser'], 'webuser': u['username'], 'lastplayed': lastplaydates[u['mcuser']]})
+    else:
+        for u in ulist:
+            mcuserlist.append({'mcuser': u['mcuser'], 'webuser': u['username'], 'lastplayed': '???'})
     return rqtools.render_template(plugin_dir + '/templates/minecraft_admin.html', mcuserlist=mcuserlist, banneduserlist=banneduserlist, serverstatus=serverstatus)