GitQL Standard functions and operators

- [Logical](logical.md).
- [comparison](comparison.md).
- [Mathematical](math.md).
- [Text](string.md).
- [Date/Time](datetime.md).
- [Regex](regex.md).
- [Array](array.md).
- [Range](range.md).
- [Interval](interval.md).
- [Window] (window.md)
- [Aggregations](aggregations.md).
- [General](other.md).
