Sort set members, display as bullet list

Using bullets (<ul>) to communicate that the order is not significant.
Sorting the list members to make the display more stable and simplify
finding a specific member.

Closes marians#2

templates/key.html

@@ -49,7 +49,7 @@ <h1>Key: {{ key }}</h1>
 		<h2>String Value</h2>
 		<code>{{ value }}</code>
 
-	{% elif type == "list" or type == "set" or type == "zset" %}
+	{% elif type == "list" or type == "zset" %}
 
 		<h2>Values</h2>
 		<ol>
@@ -58,6 +58,15 @@ <h2>Values</h2>
 		{% endfor %}
 		</ol>
 
+	{% elif type == "set" %}
+
+		<h2>Values</h2>
+		<ul>
+		{% for item in value|sort %}
+			<li><code>{{ item }}</code></li>
+		{% endfor %}
+		</ul>
+
 	{% elif type == "hash" %}
 
 		<h2>Hash keys and values</h2>