Runtime of all Py vs Cy algorithms.

SumPy vs SumCy

SumPy: 625 loops, best of 3: 4.41 µs per loop	
SumCy: 625 loops, best of 3: 221 ns per loop
````	


#### SieveAtkinsPy vs SieveAtkinsCy
`````Sage
SieveAtkinsPy: 25 loops, best of 3: 10.9 ms per loop
SieveAtkinsCy: 125 loops, best of 3: 4.17 ms per loop

DetPy vs DetCy

DetPy: 625 loops, best of 3: 140 µs per loop
DetCY: 625 loops, best of 3: 239 µs per loop (slower!)

MatrixMultPy vs MatrixMultPy

MatrixMultPy: 625 loops, best of 3: 140 µs per loop
MatrixMultCy: 625 loops, best of 3: 111 µs per loop