Merge pull request #124 from Matyrobbrt/fix

Update GistUtils.java

Author: Matyrobbrt

src/main/java/com/mcmoddev/mmdbot/gist/GistUtils.java

@@ -140,6 +140,8 @@ public static boolean hasToken() {
 
     public static final class GistException extends Exception {
 
+        private static final long serialVersionUID = -129081029829039102L;
+
         private final String error;
         private final int errorCode;