diff --git a/src/main/java/org/kohsuke/github/GitHub.java b/src/main/java/org/kohsuke/github/GitHub.java
index a402e10c6..c8b204df0 100644
--- a/src/main/java/org/kohsuke/github/GitHub.java
+++ b/src/main/java/org/kohsuke/github/GitHub.java
@@ -81,6 +81,9 @@ public class GitHub {
      *      "http://ghe.acme.com/api/v3". Note that GitHub Enterprise has <tt>/api/v3</tt> in the URL.
      *      For historical reasons, this parameter still accepts the bare domain name, but that's considered deprecated.
      *      Password is also considered deprecated as it is no longer required for api usage.
+     * @param login
+     *      The use ID on GitHub. Can be omitted if the OAuth token is provided, but specifying this would
+     *      save one API call.
      */
     private GitHub(String apiUrl, String login, String oauthAccessToken, String password) throws IOException {
         if (apiUrl.endsWith("/")) apiUrl = apiUrl.substring(0, apiUrl.length()-1); // normalize
diff --git a/src/main/java/org/kohsuke/github/Requester.java b/src/main/java/org/kohsuke/github/Requester.java
index a117609df..795c2e2a1 100644
--- a/src/main/java/org/kohsuke/github/Requester.java
+++ b/src/main/java/org/kohsuke/github/Requester.java
@@ -39,10 +39,12 @@ import java.net.URL;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.NoSuchElementException;
+import java.util.Set;
 import java.util.zip.GZIPInputStream;
 
 import static org.kohsuke.github.GitHub.*;
@@ -344,4 +346,11 @@ class Requester {
             IOUtils.closeQuietly(es);
         }
     }
+
+    private Set<String> toSet(String s) {
+        Set<String> r = new HashSet<String>();
+        for (String t : s.split(","))
+            r.add(t.trim());
+        return r;
+    }
 }