Move 1988-2004 entries into subdirs

We we move 1988-2004 entries from all of a year's winning entries
in a single directory to each winner being in their own sub-directory
under the given year directory.

1991/brnstnd/sorta.isleep

@@ -0,0 +1,6 @@
+["" "+sleep" "+5" "sleep" !q]:S [F0>1_+=S]:s
+"forking sleep 5..."`ld
+1=s
+"waiting for sleep to finish..."`ld
+w
+"done, sleep exit code " #T`