v1.1.0
Changelog
a77a644 accept bitfield and have all/none messages anytime
a85c857 add clean-database method to session
14d387c do not create invalid unicode char at the end of filenames
63b056b handle http error in announce
f097baa make corrupt peer logs debug level
cbe1b29 make log messages about block size debug level
e326ea8 tolerate 0 length bitfield messages