Resolve "two visits with the same dates"

Closes #369 (closed), #373 (closed), #372 (closed), #370 (closed)

smash/web/templates/_base.html

@@ -256,7 +256,7 @@ desired effect
         {% block footer %}
             <!-- To the right -->
             <div class="pull-right hidden-xs">
-                Version: <strong>1.0.0~beta.5</strong>
+                Version: <strong>1.0.0~beta.6</strong>
             </div>
 
             <!-- Default to the left -->