Fix Javadocs and code issues.

src/bukkit/java/com/sk89q/wepif/WEPIFRuntimeException.java

@@ -19,13 +19,10 @@
 
 package com.sk89q.wepif;
 
-/**
- * @author zml2008
- */
 public class WEPIFRuntimeException extends RuntimeException {
-    private static final long serialVersionUID = 5092745960439109699L;
 
     public WEPIFRuntimeException(String message) {
         super(message);
     }
+
 }