Fixed typo (compile_exor)
Changes operand order, proven working for subtraction, division, and greater/less than. However, exponents are questionable.
Merge pull request #7 from dougbtv/fix-operand-order

Fix for operand order
Merge pull request #6 from ppratscher/patch-1

Fixed typo (compile_exor)
Added quote and comment support to parser
Changed high-level function logic a bit