Log Message:
Updated to version 2.20.0

Pkgsrc changes:
  - Added LICENSE
  - Removed patch-ab which was integrated upstream

changes since version 2.19.0:
=============================
2009-10-14
 * 2.20.0 released
 * Fixed bug 2875827 and others: Error encountered in function ebayLogin
 * Fixed bug 2862437 and others: Unknown time interval "Duration:"
                                 remaining time could not be converted