Rework package-local-nicknames so that uiop/package package is not modified
uiop/package now defines functions in its own package corresponding to the PLN API (that simply call the implementation's native functions). Then, once UIOP:DEFINE-PACKAGE is established, a new package is defined that simply reexports the implementation's native PLN API.
Fixes #72 (closed)
Edited by Eric Timmons