Added table parsing and improved handling of operators
Accounted for the ability to set attributes on an operator
Added correct parsing for action and fixed whitespace
Factored out more into shared file and used qualified imports for shared functions
Modified unicode mapping to actually map minus signs
Refactored sub and superscript logic and added helped functions
Unsure about this one - rewrote mfrac to account for line thickness. This breaks conversion to formats other than LaTeX but allows for represending binomial coefficients for example
Altered interface to diacritical lookup to more accurately reflect usage
Removed unused imports
Fixed formatting on entity map so you can actually edit the file without freezing your editor
Added copyright notices and final code cleanup
Added in functions to convert between the new readable and writable types and cleaned up existing functions for clarity