Update list for Roll Call

Roll Call 3.56 changelog from April 27, 2010

Support 64-bit Windows

Roll Call 3.55 changelog from March 16, 2010

Roll Call 3.53 from November 17, 2009

Roll Call 3.31 from March 12, 2008

Roll Call 3.30 from February 28, 2008

Roll Call 3.22 from January 12, 2008

Major Update

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