v2.20.0: Prefer Boot to Leiningen for REPLs.

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v2.19.0: Add hoon-mode.

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v2.18.0: Strictify smartparens configuration.

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v2.17.2: Use smartparens' default config.

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v2.17.1: Shadow Emacs' shortcuts with Jedi's.

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v2.17.0: Use bleeding edge Org.

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v2.16.1: Use default location for virtualenvs.

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v2.16.0: Add Python editing packages and configuration.

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v2.15.0: Improve project opening.

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v2.14.5: Add snippet to fix package installation.

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