Changed several occurrences of Ref<VirtualRegister> or RefOrNull<V..R..>
treef85192c0f82428fe83622df0cb97dcc556879d92
-rw-r--r-- 272 .gitignore
drwxr-xr-x - include
-rw-r--r-- 1986 make.lua
-rw-r--r-- 17866 makefile
-rw-r--r-- 355 openissues.txt
drwxr-xr-x - src
drwxr-xr-x - tests
drwxr-xr-x - tools