v1.9

update version

v1.8

• -l specify number of multiple ssh to perform at a time
• support passthrough command options to ssh
• fix stdout loss
• fix link error

v1.7

• remove inner mode
• add option (-i) to support vi-mode

v1.6

• fix stdin from pipe

v1.5

• ignore prompt when stdout is not tty

v1.4

• close pipe fd when child process exits

v1.3

• fix FD_SET crash when connections exceeds 1024

v1.2

• fix ineffective 'output' config

v1.1

• add upload/download inner command
• optimizing program options

v1.0

update README