-Apply RjY's patch to increase the number of possible vertices to 64k by using unsigned shorts instead of signed shorts to refer to a vertex (see bug 1008 patch 1 for additional detail).

git-svn-id: http://odamex.net/svn/root/trunk@4371 b0bcef46-2027-0410-bd56-ab726e9a1d04
-Apply RjY's patch to increase the number of segs and number of subsectors beyond 64k (see bug 1008 patch 2 for additional detail).

git-svn-id: http://odamex.net/svn/root/trunk@4372 b0bcef46-2027-0410-bd56-ab726e9a1d04
-Apply RjY's patch for supporting the XNOD (uncompressed ZDBSP extended node) format (see bug 1008 patch 3 for additional detail).

git-svn-id: http://odamex.net/svn/root/trunk@4373 b0bcef46-2027-0410-bd56-ab726e9a1d04