fix

src/main/java/org/gitlab/api/GitlabAPIException.java

@@ -7,6 +7,8 @@ import java.io.IOException;
  */
 public class GitlabAPIException extends IOException {
 
+    private static final long serialVersionUID = 2141938680478082113L;
+
     private int responseCode;
 
     public GitlabAPIException(String message, Integer responseCode, Throwable cause) {

src/main/java/org/gitlab/api/Pagination.java

@@ -5,6 +5,7 @@ import org.gitlab.api.http.Query;
 import java.io.UnsupportedEncodingException;
 
 public class Pagination {
+
     public static final String PARAM_PAGE         = "page";
     public static final String PARAM_PER_PAGE     = "per_page";
     public static final int    MAX_ITEMS_PER_PAGE = 100;