Adds a few optimizations that give a 3% perf improvement.
tree16a61e91f04f89206d06ca7f458373eec11a23a4
-rw-r--r-- 249 .gitignore
-rw-r--r-- 217 .travis.yml
-rw-r--r-- 1270 LICENSE.txt
-rw-r--r-- 5887 Makefile
-rw-r--r-- 3279 README.md
drwxr-xr-x - lib
drwxr-xr-x - perf
drwxr-xr-x - src
drwxr-xr-x - test