Hide-code

Updates in this release

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- Fixed issue with cell toolbar show/hide toggling getting out of sync when another cell toolbar was selected and hide code was enabled. Resolves issue 11.
- Fixed typo causing hide code toolbar not to display. Resolves issue 12.

Updates in this release

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- Added logic to handle .py extension of os file. Resolves issue 6.
- Updated logic to disable hiding prompts and code on markdown cells. Resolves issue 4.

Updates in this release

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- Resolves 1 by adding additional directories to check for Jupyter's configuration directory.
- Added installation logic to check if hide_code.js is already setup to auto-load when a notebook opens.
- Added additional installation logging to support troubleshooting.
- Now Python 3+ compliant.

Initial public release.