Merge pull request #482 from domesticmouse/master

Fix for #478

src/main/java/com/google/maps/PlaceAutocompleteRequest.java

@@ -49,10 +49,30 @@ protected PlaceAutocompleteRequest(GeoApiContext context) {
   public static final class SessionToken implements UrlValue {
     private UUID uuid;
 
+    /** This constructor creates a new session. */
     public SessionToken() {
       uuid = UUID.randomUUID();
     }
 
+    /**
+     * Construct a session that is a continuation of a previous session.
+     *
+     * @param uuid The universally unique identifier for this session.
+     */
+    public SessionToken(UUID uuid) {
+      this.uuid = uuid;
+    }
+
+    /**
+     * Retrieve the universally unique identifier for this session. This enables you to recreate the
+     * session token in a later context.
+     *
+     * @return Returns the universally unique identifier for this session.
+     */
+    public UUID getUUID() {
+      return uuid;
+    }
+
     @Override
     public String toUrlValue() {
       return uuid.toString();