How can I check through a string array of roles and return the most senior role?
<p>The following code returns an array of roles for my user:</p>

<pre><code>var userRoles = Roles.GetRolesForUser();
</code></pre>

<p>The possible roles are:</p>

<pre><code>public enum RoleType
{
    Default = 10,
    Guest = 20,
    User = 30,
    Admin = 40,
    Super = 50
}
</code></pre>

<p>How can I make my code check through the userRoles array and return the highest 
RoleType that it can find?</p>
