support the ssh port is not default 22, use # and -- start a comment

First of all, a very awesome tool, I like it. thanks!

this patch compatible with mac and ubuntu.

in ~/.warp like this:
hellow@1.2.3.4 -p2200 # this is comment
world@5.6.7.8 -p2200 -i ~/.ssh/id_rsa -- this is comment

after selected in ~/.picked like:
hellow@1.2.3.4 -p2200
or like:
world@5.6.7.8 -p2200 -i ~/.ssh/id_rsa