caltechlibrary/handprint: Release 1.5.5

Changes in this release: * Update dependency versions specified by `requirements.txt` and `Pipfile`, to address a security issue in Pillow, update to CommonPy, and some other version updates. * Fix to a bug in the image resizing code involving calls to debug log functions. * Updates to copyright years in files. * Addition of a `CITATION.cff` file to the repository on GitHubApply different text recognition services to images of handwritten documents