add support for system packages so one can uninstall them

makepkg.lua

@@ -85,6 +85,12 @@ if lzss then
 end
 pkginfo.filename = fnormalize(outpath:sub(tArgs[2]:len()+1))
 pkginfo.version = tArgs[3]
+if pkginfo.system then
+ pkginfo.files = {}
+ for k,v in pairs(files) do
+  pkginfo.files[#pkginfo.files+1] = fnormalize(v:sub(tArgs[1]:len()+1))
+ end
+end
 
 local repo = {}
 local f = io.open(tArgs[2].."/packages.cfg","rb")