This passes `python3 -mcompileall`. Changes:
* use `0o` prefix for octal literals
* print as a function
* except .. as
* use six.reraise to replace a multi-argument raise statement
* use six.string_types and six.moves.configparser
* remove uses of `L` suffix for long integers
MozReview-Commit-ID: KLaYRNHGpay
--HG--
extra : rebase_source : 6ca1b5447cd28eff8d9f2805add6a0f07e8b4c63
The test changes and setup.py are NPOTB. base.py and main.py
added a new feature to declare global arguments.
--HG--
extra : rebase_source : 4b14487d9aff98247464e0b0c08b4fc5cfbd862a
