r1590: Updated TODO

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+- Cleanup whether types passed to functions are evaluated or not.
+At this point, I think types should always be evaluated. That means
+passing a quote character in front of non-keyword types. So
+:char and '(:array :char) is the way types should be specified.
+This may involve stripping the (quote ...) for some implementations
+like CMUCL which doesn't evaluate the type argument.
+
+- Cleanup the meaning of (def-array). Add size parameter
+
+- Change dereferencing of pointers to :char and :unsigned-char types.
+May need to have ensure-char as routine to correctly handle setf
+expansions. CMUCL strtol is broken because of signedness.  Right now,
+LW prefers unsigned and CMUCL prefers signed string arrays. I lean
+to having unsigned be the default type.
+
+- Need to clean signedness of allocate-foreign-string
+
+- Add def-union routine