Restore argparse printing to sys.stderr by default for now
Set window size in pexpect tests
Set window size in pexpect tests - missed one more
Upgrade psutil dependency from 0.7.1 to 1.2.1
Upgrade argcomplete dependency from 0.5.7 to 0.6.7
Revert "Upgrade argcomplete dependency from 0.5.7 to 0.6.7"

This reverts commit e5e4f5c73c5bd5a1cd8b1933b9f04ab643d0e864.