Refactor file existance test
tree52472fd046cf8e030e3f9693d6a7361e92d7879a
-rw-r--r-- 19 .gitignore
-rw-r--r-- 204 Makefile
-rw-r--r-- 998 README
-rw-r--r-- 258 setup.py
-rw-r--r-- 308 yap.py
drwxr-xr-x - yap