calculate lt

[behinger]

• Update typings to be more type-stable
• Reduce memory allocation and implement other performance improvements
• add array dimensions
• re-enable multi threading
• make Calculate_Q type stable
• use AppleAccelerate in certain places
• add intelvectormath
• minor
• more optimized methods
• minor
• log
• overflow fixed, debug statements added, comparson to fortran/matlab semi-automated
• fixes, make fp local
• update project.toml
• precalculate y^rho
• things are faster now
• optimize more sums
• fix sphering LL
• speed improvement from 272µs to 640ns
• insane additional 100x speed improvement in calculate_y
• this should work, but havent tested -oops
• added missing broadcast to first minus, 340 to 230 µs
• 15% or so improvement, much better on allocations