Merge pull request #19 from euroelessar/callback_games

Bugfixes
Merge pull request #20 from euroelessar/callback_games

Fixed segfault at Logger delete
Optimize string split and digit-to-string conversion
Send reply back to blocked client not from upstream destructor, but when final reply message is received.
Move ->enqueue() outside of the lock.
Fixed dnet_dump_id_len_raw() - it must put 0-byte at the end
Merge branch 'master' of github.com:reverbrain/elliptics
Elliptics version update: 2.21.1.0
Fixed 0-byte position in dnet_dump_id_len_raw()
Put reply/enqueue outside of the lock and use shared_ptr instead of iterator->shared_ptr
Merge pull request #21 from euroelessar/callback_games

Added overload for node::add_remote
Fixed compilation with upstream cocaine