Added command-line options handling. Added a usage() method to print out help text when "-h" or "-help" option is given on the command line.
Added command-line options handling. Added a usage() method to print
out help text when "-h" or "-help" option is given on the command
line.


ekiwi/jade-mirror,ekiwi/jade-mirror,ekiwi/jade-mirror,ekiwi/jade-mirror