
Code Conventions
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- Classes must be new-style, and named LikeThis.
- Functions and methods are named likeThis().
- Variables and attributes are named likethis.
- Private and protected attributes are named _likethis.
- Private methods where name clashing with subclasses is probable
  (e.g. Progress) are named __likethis.
- Identation is 4 expanded spaces.
