Updated 10 April 2007: made password optional. (tnx K0RC.)
Updated 20 April 2007: removed password field.
Updated 10 April 2010: Changed URL to new ARRL site
Updated 1 April 2011: Updated DXCC entity list.
Updated 10 May 2013: Fix defect that was not allowing download of all QSOs (tnx K8UT.)
Updated 14 May 2013: Use new LotW server URL