ScpTask now have fallback to 'ssh2.sftp' when copy files via ssh2_scp_send return false.
update description
update description
binary mode in sftp + heuristin decision between scp & sftp
add setters & getters for heuristic decision
Merge pull request #176 from widmogrod/master

ScpTask: fallback for "ssh2_scp_send" when remote server won't allow it.