Adding optional start/end params to string-find[-right].
Adding string-downcase-ascii util to (chibi string).
Typo in string-upcase-ascii.
Exporting string->path-uri.
Adding string-offset->index.
Adding sexp_make_input_string_port to the docs.
Fixing bug in sexp_read_float_tail when compiled with Boehm GC,
where an uninitialized value could be read.
Fixes issue #184.
Raising an error in do iterator clauses with more then 3 terms.
Provides a friendlier error for cases like issue #187.
Documenting current load path order.