Increment Python debugger version.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=190137963

Add notes to GitHub README about Python 3 support.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=189375958

Increment python agent minor version to 2.4

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=185848633

Release python agent version 2.3

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=179227554

Increment python agent minor version to 2.2

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=167292554

Removes meta_path based import hook mechanism. The meta_path mechanis…

…m causes breakpoints to be activated before the module is fully loaded. Instead, uses a combination of (module,name,fromlist) to identify all modules were touched by the import.

Note: Let's also test this manually before submitting.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=166487604

Increment python agent version to 2.0

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=166082121

Increment python agent version

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=158861802

increment python agent version to prepare for release

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=153605200

Increment python opensource version to prepare for release with logpo…

…int rate

limiting

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=153096018