import bandwidth management code
#103 remove https project
#013 remove is specific code
using unified channel state
#120 fix missed blocks saving
using bw_seq channel state for split packets
minor changes
session limits support
initial bandwidth management in peer connection
requesting quotas
initial support receive limits
#126 use file in hasher
small fix for compile bitfield
#125 use wstring
Merge branch 'develop' of https://github.com/intersvyaz/libed2k into develop
#125 fix unittests on windows because of file in hasher
check limits only for payload downloads
#121 optimize md4_hash.toString
#121 add dedicated state() for transfer_handle
forward session settings