some more refactoring in choker

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code/trunk@10439 a83610d8-ad2a-0410-a6ab-fc0612d85776
regenerated html

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code/trunk@10440 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix python binding build without deprecated functions

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code/trunk@10442 a83610d8-ad2a-0410-a6ab-fc0612d85776