Updating use of pysize for caching

[jonwiggins]

Description

This change updates the caching code to include the latest changes from the pysize library (https://github.com/bosswissam/pysize).

Motivation and Context

This is primarily to add the fix for #357 - such that the spaCy Russian language model can be loaded.

How Has This Been Tested?

I ran the unit tests locally

Screenshots (if appropriate):

Types of changes

• [ X ] Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation, and I have updated it accordingly.

[bdewilde]

thanks, jon!

[SamerZurub]

Hi, when will this be released?

[bdewilde]

hey @SamerZurub , i haven't had any bandwidth to hack on textacy in several months :( definitely planning to get back to it, but i don't have a specific timeline at this point. sorry to leave folks hanging!