Converted int to Py_ssize_t where possible
Converted int to Py_ssize_t where possible

darcs-hash:20070428004008-a5408-634c6377abeee8394d073da18c0e66a91af012da.gz

pfmoore/blist,pfmoore/blist,DanielStutzbach/blist,DanielStutzbach/blist