added more asserts related to the invariance between the peer connections' request queue and the piece picker
added more asserts related to the invariance between the peer connections' request queue and the piece picker

snowyu/libtorrent,TeoTwawki/libtorrent,hamedramzi/libtorrent,hamedramzi/libtorrent,TeoTwawki/libtorrent,hamedramzi/libtorrent,TeoTwawki/libtorrent,snowyu/libtorrent,hamedramzi/libtorrent,TeoTwawki/libtorrent,snowyu/libtorrent,hamedramzi/libtorrent,TeoTwawki/libtorrent,hamedramzi/libtorrent,snowyu/libtorrent,snowyu/libtorrent,snowyu/libtorrent,TeoTwawki/libtorrent