Move imports, progname and argparse out of main()

5d5add2c-4f45-11e4-80cf-c80aa9e67bbd
Add sys.exit() and terminate with return value from main()

a055d50a-4f45-11e4-83f6-c80aa9e67bbd
Add -v/--verbose option

b884f1f6-4f45-11e4-b6bc-c80aa9e67bbd
Merge branch 'update_std-python', update Lib/std/python

* update_std-python:
  Add -v/--verbose option
  Add sys.exit() and terminate with return value from main()
  Move imports, progname and argparse out of main()

e4dd5586-4f45-11e4-9fe6-c80aa9e67bbd