Modified "ID" heading in first line of 'full question headers' export to fix problem with Microsoft bug (http://support.microsoft.com/default.aspx?scid=kb;en-us;Q323626&gssnb=1) where capital ID causes an error but lowercase id doesn't.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@372 b72ed6b6-b9f8-46b5-92b4-906544132732