#21 cleanup of nparse.lisp

[Andreas Eder]

removed stale conditionalizations;
deleted unused functions;
changed maclispisms to common lisp;
brought eval-when situations to ansi;
corrected erroneous calls to maxima-error;
moved variable definitions up in the file to avoid compiler warnings;

the file now compiles without warning even on sbcl

the upload is a diff bewteen the old and new versions

[Andreas Eder]

cleanup of nparse.lsp

[Robert Dodier]

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patch applied and committed 2007/01/27.