- Remove `PDF.page_count`, `PDF.read`, and `PDF.read_all` - Support password-protected PDFs
1.1.0
- Make `PDF` implement the sequence protocol (`__len__` and `__getitem__`) - Mark `PDF.page_count`, `PDF.read`, and `PDF.read_all` as deprecated in favor of the above - Handle keyboard interrupts in `PDF.read_all`