v0.11.2

Refactored how closures are implemented to reduce unnecessary runtime allocations
- Variables from frames outside of the current closure will not be available from the debugger if they weren't captured
Definitions from Mond libraries are no longer automatically copied into local variables at the beginning of scripts
- Fixes inconsistencies with scripts that later modify those globals
- Removed as a part of the closure optimizations so using these globals doesn't introduce frame allocations
Fixed debugger not working since v0.11.0, added tests to cover it
Fixed serializing/deserializing MondProgram not working, added a test to cover it

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