 Returns -1 if group is empty.
		 </td></tr></table></div><a name="countLiving()"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">countLiving</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule">&nbsp;</td></tr></table><div class="detailBody"><code> public function countLiving():int</code><p></p><p></p><p>
		 Call this function to find out how many members of the group are not dead.
		 
		 </p><p></p><