Many Fixes
- Slightly improved the second maze hint.
- Fixed creating an empty list not costing an operation.
- Fixed renaming save file immediately after creating it.
- Fixed renaming a save file that is open externally.
- Fixed printing spaces with the drone.
- Fixed error logs showing the wrong line sometimes.
- Fixed error when returning outside a function.
- Fixed assigning to a negative list index.
- Fixed op count of various data structure operations.
- Fixed freezes with certain large data structures.
- Fixed various issues with the "in" operator.
- Fixed None not working as a dictionary key.
- Fixed using a tuple of lists as a dictionary key.