Add pushd, popd

Signed-off-by: Valentin Ilie <valentin.ilie@gmail.com>
Remove undernet

Remove undernet servers
Add lines 1,2,3,4

Signed-off-by: Valentin Ilie <valentin.ilie@gmail.com>
test

Merge branch 'master' of https://github.com/eminemix/tests