+1 failing test: (cdr nil) should be nil
+1 test pass: (cdr nil) should return nil
updated CHANGELOG
dslisprb v0.0.5
+1 failing test: should ignore comments
+1 test pass: should ignore comments
moved CRLF replacement
+1 failing test: caar
+1 test pass: caar
+3 failing test: cadr, cdar, cddr
+3 test pass: cadr, cdar, cddr
+8 failing test: caaar, caadr, cadar, etc...
+8 test pass: caaar, caadr, cadar, etc...
enclosed loaded code in a block
updated Rakefile to avoid use of deprecated gem package rake task
support for multiple arguments on append
updated CHANGELOG