Alpha release

Fixes an important bug with the last release that cause all files to be judged different.

Alpha release with api sub-package

Still minimally tested.

Functioning initial release (new package name)

This is the second attempt at a functioning initial release. The package name had to change from pdf-comp to it possible to import. Though only minimally tested, it does compare two PDFs, generate images with differences highlighted, and create a PDF with differences.

Functioning alpha release

Minimally tested, but seems to work to compare two pdf files, generate difference images, and create a difference pdf.