* Util.cs: Reducing number of unnecessary UInt32 Parse error under
  Mono due to the Underscore character being at the end of strings.
Also consolidated To[U]Int32 code from controls to use string version.

* f1-Main.cs: Fixed issue that is causing by initializing the values
  of the GameOrigin combo box causing the SelectedValue field to be
  queried before it knows it's ValueMember.