This section should usually be only a page or three. There are often hundreds of references in a Ph.D. thesis. The appropriate number in an honours thesis varies between say several for a highly specific technical project, to perhaps a hundred in a thesis whose main component is a literature review. If there is material that should be in the thesis but which would break up the flow or bore the reader unbearably, include it as an appendix. Computer programs are often included as appendices, as are data files that are too large to be represented simply in the Results section.
Examiners usually read appendices only superficially.
More than for a scientific paper. Once your thesis has been marked, and your mum and dad have read the first three pages, the only further readers are likely to be people who are seriously doing research in just that area. For example, a future research student might be pursuing the same research and be interested to find out exactly what you did. It is traditional to include workshop drawings, circuit diagrams and computer programs, usually as appendices. Ideally, programs should be intelligibly annotated but this practice is as frequent as porcine aviation.