Fix <= typo, which is fixed in the printed version
-rw-r--r-- 654 Makefile
-rw-r--r-- 879 README
drwxr-xr-x - ffi
drwxr-xr-x - gui
drwxr-xr-x - libraries
drwxr-xr-x - report
drwxr-xr-x - styles
drwxr-xr-x - tools