Bitfields for LANtastic access control list:
Bit(s)	Description	)
 4	(I) allow expansion of indirect files
 5	(A) allow attribute changing
 6	(P) allow physical access to device
 7	(E) allow program execution
 8	(N) allow file renaming
 9	(K) allow directory deletion
 10	(D) allow file deletion
 11	(L) allow file/directory lookups
 12	(M) allow directory creation
 13	(C) allow file creation
 14	(W) allow open for write and writing
 15	(R) allow open for read and reading