bavier/guile-derivative-parsers: An implementation of parsing-with-derivatives for GNU Guile.

Eric Bavier 56d3ec4be4 tests: Add simple benchmark tests.		%!s(int64=8) %!d(string=hai) anos
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language	be11a52776 Initial commit	%!s(int64=8) %!d(string=hai) anos
parse	56d3ec4be4 tests: Add simple benchmark tests.	%!s(int64=8) %!d(string=hai) anos
utils	f3c94e4251 utils: Formulate fix* in terms of graph-search.	%!s(int64=8) %!d(string=hai) anos
language.scm	be11a52776 Initial commit	%!s(int64=8) %!d(string=hai) anos