Fix a rare case where units might get stuck around other idle entities, and clarify...
tree1cb5ab1aa8751451c95039da9714e5cac242b969
-rw-r--r-- 2015 LICENSE.txt
-rw-r--r-- 1397 README.txt
drwxr-xr-x - binaries
drwxr-xr-x - build
drwxr-xr-x - docs
drwxr-xr-x - libraries
-rw-r--r-- 10104 license_dbghelp.txt
-rw-r--r-- 17987 license_gpl-2.0.txt
-rw-r--r-- 26434 license_lgpl-2.1.txt
drwxr-xr-x - source