Update README.md

successfully pass all testing with double and rational arithmetic (window only)

add allocator files

resolve normal calc bug by using Newell's Formula;pass tests

Merge branch 'master' into rat

add pool allocator

Merge pull request #52 from aldoshkind/master

minor

all test pass on ubuntu

disable buggy mempool; fix minor bug in poly triangulation

revert to using doubles for bvh

resolve benchmark bug

resolve numerical rounding bug that occurred when calculating polygon normals; fix equality operator bug in numeric.h

bug fixes; identified the potential source of man problem causing floating polygon partitioning to create duplicate vertices

resolve segfault; fix division by zero bug