* One million PEP -- first draft
* Update 'one million' PEP with modifications and clarifications from python-dev feedback.
* Choose 611 as number for 'one million limit' PEP.
* PEP 611: Add compile time modification of limit to rejected ideas.
* PEP 611: Use correct 'Type'.
* PEP 611: Fix spelling and markup.
* PEP 611: Make upgrade path simpler and more explicit. Add sections on enforcement and about other implementations.