Change the type of printer API to accept Object instead of String.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1398006 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/main/java/org/apache/commons/csv/CSVFormat.java

@@ -510,7 +510,7 @@ public Iterable<CSVRecord> parse(final Reader in) throws IOException {
      * @param values
      *            the values to format
      */
-    public String format(final String... values) {
+    public String format(final Object... values) {
         final StringWriter out = new StringWriter();
         try {
             new CSVPrinter(out, this).println(values);