he skrellian choir song.</li>
			</ul>
			<h3 class="author">Mucker updated:</h3>
			<ul class="changes bgimages16">
				<li class="bugfix">Fixed the spider infestation event always being chosen over other major level events.</li>
			</ul>
			<h3 class="author">SierraKomodo updated:</h3>
			<ul class="changes bgimages16">
				<li class="tweak">Walls now take more damage from explosions.</li>
				<li class="tweak">Pre-mapped reinforced walls are now a steel/plasteel mix instead of 100% plasteel.</li>
			</ul