## TODO:
1. Fully fix integral bars
2. Proper support for dynamic chart display size.
3. Fix (very rare) crashes in parsing strings (`TextDecoder.decode: Decoding failed.`)
4. Multiple functions in one graph.
    - Backend support
        - Generation of data (Done)
        - Management
            - Handle by IDs
        - Integrals between functions
    - UI
        - Dynamically create inputs (Done)
        - Dynamically delete inputs
        - Different colors
        - Better Handling of area and integrals
5. Non `y=` functions.