To-Do List

Reference streams
Read trailer dict
All of the object read/write code
All of the stream read/write code
Page create method
Write out trailer
How to handle object references between documents, i.e., if I copy a page from one PDF to another, there are a bunch of resources that also need to be copied. A dictionary with an object reference can't be copied directly as the object number in the new PDF will likely be different than the old one.
Security handlers (RC4 + AES, MD5 + SHA-256) for reading encrypted documents.
Signature generation/validation code
Documentation
VS project
Run through code analysis tools