#28 Math.pow can't do powers of 2

[Richard Uhler]

Math.pow should be able to do powers of 2 exactly, but it doesn't.

[Richard Uhler]

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A simple fix would be to recoginze when the exponent is an integer, and do a for loop multiplying the base by itself exponent number of times.

I see two problems here:
1. it could take a long time for large exponents.
2. That just fixes the accuracy of integer exponents, but if the current accuracy is off for integers, won't it be for non-integers too? Perhaps there is a different fundemental underlying issue here that should be resolved.