Added a getFromKeyNameOr404 to base.Logic
This also fixes a bug introduced in r2437 where this method was used
although it didn't exist yet.
Patch by: Sverre Rabbelier
{% comment %}
Licensed under the Apache License, Version 2.0 (the "License");
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{% endcomment %}
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html lang="en">
<head>
<title>404 Not Found</title>
</head>
<body><h1>404 Not Found</h1></body>
</html>