GPLv2 from GPLv3... remove copying file for GPLv3. Added methods.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@26821 72102866-910b-0410-8b05-ffd578937521

Source/NSNumberFormatter.m

@@ -783,4 +783,20 @@
     return [NSString stringWithCharacters: &_thousandSeparator length: 1];
 }
 
+- (NSString *) stringFromNumber: (NSNumber *)number
+{
+  return [self stringForObjectValue: number];
+}
+
+- (NSNumber *) numberFromString: (NSString *)string
+{
+  id number = nil;
+  NSString *error;
+
+  [self getObjectValue: &number
+	forString: string
+	errorDescription: &error];
+
+  return number;
+}
 @end