taylanub/scheme-srfi: SRFI implementations as libraries in standard Scheme.

Taylan Ulrich B 0e2843b3b9 srfi-tests/54.sld: Add missing `else' to `cond-expand' usage		%!s(int64=10) %!d(string=hai) anos
..
2.sld	b1333aa2cf Clean up tests, since SRFI-64 is now smarter	%!s(int64=10) %!d(string=hai) anos
26.sld	b1333aa2cf Clean up tests, since SRFI-64 is now smarter	%!s(int64=10) %!d(string=hai) anos
31.sld	54025aefa2 Specify a strict test suite format	%!s(int64=10) %!d(string=hai) anos
54.sld	0e2843b3b9 srfi-tests/54.sld: Add missing `else' to `cond-expand' usage	%!s(int64=10) %!d(string=hai) anos
aux.sld	b1333aa2cf Clean up tests, since SRFI-64 is now smarter	%!s(int64=10) %!d(string=hai) anos