Release 1.0.0

Major update release. May still be rough on the edges. Please report any issues or inconsistencies.

• Implemented alias, wait, and ;.
• Added a Half-Life like input system.
• Implemented exec scripts.
• Added file-writing built-in commands.
• Introduced in-script logic and operations.
• Improved hint search to use fuzzy comparison.
• Created Plaque UI window.
• Adjusted props and defaults.
• Improved clarity of output - both structure and style.
• Fixed "unsaved" changes always popping up.
• Updated docs, added some tests.