Remove unused variable and refactor.
Halfway through script/analyser rewrite
Implemented toString() of script and quantities
Started rewriting test cases
Edited to sting in script class
Fixed script and quantity string representations, only compile script when model is completely defined
Now setting todo on quantities to false when defining them :)
Conintued refactoring tests
Fixed errors in script
Saved old versions of zip and nZip and started speeding up zip.
Fixed all test cases and moved compiling from script to controller
Added category checking
Fixed zip and significantly optimized nZip.
Put regexes in class variables
Fixed varsRegex reference
Add benchmarking functionality.

Usage: npm run benchmark
Mark a test case as benchmark by adding #benchmark to its description.
Fix test name notation and remove unnecessary variable.
Fixed testcases again, updated toplevel gitignore for XCode IDE files
Initial code layout for updating quantities in script
Added getContent() function.