Using urem instead of srem for \\.
Fixing up qs chain, just have to add sorting to winnow.
Adding chain to each parallel lang's Makefile
Lift point[i] access out of inner loop.
Enhancing timeing info from cxx product.
Fixing up product to be more like others.
Fixing comment to be correct code.

Just in case it becomes uncommented later.
Adding some common LLVM files I use to gitignore.
Updating run_all.py for chain.
Adding a convenience function print_int to prelude.
Removing CFG generation.