Move cons-related aux functions from ansi-aux.lsp to cons-aux.lsp. Update the cons-related files to compile-and-load cons-aux.lsp, if necessary.
Improve pruner, and make the AREF forms work properly in ACL where there's a subtypep bug on zero-rank array types.
Test subtypep on array types of various ranks, exhibiting a subtypep bug on rank-0 array types in ACL 6.2
Added my-with-standard-io-syntax, to get around the lack of w-s-io-s in gcl. Also, improved random-partition.