Cardstock

- This is a tiny bug fix update for Mac file associations. The Windows download is identical to v0.9.2.

- This version adds support in the mac build for CardStock's .cds files to be associated with the Designer and Viewer apps, for easier opening of stack files.
- Fixes some non-trivial memory leaks.
- Merges GotoCardIndex into GotoCard(), which can now take a card object, a name string, or a card number.
- Changes from exposing card.index (first card is 0), to card.number (first card is 1) to better match the numbering shown in the designer.
- More big performance improvements, and many bug fixes.

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This release just fixes a few sneaky bugs that hitched a ride with v0.9.

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Despite being a pre-1.0 release, this is a big one. It includes:

Drawing:
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- Flipped the stack canvas vertically, so that the positive direction is up, and the origin is the bottom-left corner. (Old stacks will be auto-migrated for you, at least for initial layout. You may still need to manually update any code that sets object positions.)
- A new Polygon drawing tool
- Allow resizing objects from all 4 corners
- Draw Text Labels ourselves now, so they no longer have opaque backgrounds on Windows

Coding:
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- Basic autocomplete in the code editor, for the names of objects, methods, properties, and user-created functions and variables
- Live syntax error underlining in the code editor
- Animations to the same property of an object now chain by default, so you can trivially set up multi-stage animations
- Rename OnIdle() handlers to OnPeriodic() (Old stacks will be auto-migrated for you.)
- Even more example stacks

Other:
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- Major performance improvements, especially under Windows.
- Loads of bug fixes and UI/UX cleanup

- Adds a new Output tool window, that will show any console output or error messages from the running stack. It automatically opens on the first output.
- Big under-the-hood change - now runs a stack's event code on a dedicated thread, while pushing all UI calls back to the main thread. This enables users to quit a program stuck in an infinite loop, and CardStock Designer will even tell you which event on which object was stuck.
- Lots of bug fixes

Allow bundling extra included python modules when exporting a stack, when running from source