added (or false ?validator) special clause to arguments validator library
more docs
some validation clauses review
review of namespace docs
imported bitvectors library from nausicaa, added increments library
code review
code review
code review
code review
code review
code review
code review
code review
added record-type-unsafe-ref and record-type-unsafe-set! to (vicare)
code review
review of r6rs record types syntaxes to access fields
Added "record-type-field-ref" and "record-type-field-set!".
Renamed "record-type-unsafe-ref" to "$record-type-field-ref" and
"record-type-unsafe-set!" to "$record-type-field-set!".
renamed test file
more tests for r6rs record types syntaxes
more documentation for r6rs record type syntaxes
added macro record-type-and-record?