Fix sf-result* definitions, eliminate ffexpand, fsbv:object
Fix sf-result and sf-result-e10 translation methods, and use in complex-with-error and values-with-errors. Some usage in gamma.lisp updated, but there will be a need to replace sf-result with (:struct sf-result) in all declarations for many special functions. I removed ffexpand and everything it depended on because there is no reason to make a side defcfun for call-by-value functions, and if FSBV is missing CFFI already emits an error. All usage of fsbv:object and any thing from the FSBV package is now gone.
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