Fix NON-NULL attributes, add for TWI_t.
-rw-r--r-- 139 .gitignore
drwxr-xr-x - Bootloaders
drwxr-xr-x - BuildTests
drwxr-xr-x - Demos
drwxr-xr-x - LUFA
drwxr-xr-x - Maintenance
drwxr-xr-x - Projects
-rw-r--r-- 2467 README.txt
-rw-r--r-- 737 makefile