Add Transfer command

A SplitStream client is able to request a R66 server for new transfers.

Command: SplitStream transfer

Options:

• -c --conf the configuration file used
• -p --partner the name of the partner requested (ignored if -to is provided)
• -l --login the login used to authent to the partner (ignored if -to is provided)
• -t --to (repeatable) a combination of partner and login formatted as login@partner
• -r --rule (repeatable) the rule used to perform the file request
• -f --file (repeatable) the file to be transfered
• -i --info (optional) the additional transfer information
• -d --delay (optional) the time after which the transfer will be started (mutually exclusive with --start)
• -s --start (optional) the date at which the transfer will be started (mutually exclusive with --delay)
• -b --blocksize (optional) the size of the data block used to transfer the file
• -B --block-checksum (optional) if the transferred block are transmitted with there MD5 checksum.
• -H --hash (optional) the hash algorithm used for the file checksum
• -a --async (optional) if present delegate the transfer execution to the server daemon
• -n --parallel (optional) the number of transfers ran at the same time (ignored if --async)
• -P --no-progress (optional) disable the printing of the transfer progress (ignored if --async)