More PowerEntry work.

src/engine/wpak/PowersParser.java

@@ -67,7 +67,7 @@ public class PowersParser {
 
             while (matcher.find()) {
                 conditionString.append(matcher.group());
-                powerString.append(matcher.start());
+                powerString.append(powerData, endPos, matcher.start());
                 endPos = matcher.end();
             }