Packaging Updates and Documentation

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Pull Request To-Do List

Description of the changes

Mostly added automatic documentation with Sphinx, which will generate documentation from the readme.rst, contributin.rst, and all of the python modules' method, classes, etc.

I have done the following to make this PR ready for review:

• [x] I have updated the requirements.txt file (if appropriate)
• [x] I have re-based my branch on the latest master branch
• [x] I have added necessary documentation (if appropriate)
• [x] I have commented my code, particularly in hard-to-understand areas

For the reviewer, make sure this PR meets these criteria before merging:

• [ ] New code has comments
• [ ] New code has tests (if appropriate)
• [ ] New code has documentation (if appropriate)
• [ ] New code has been reviewed by at least one other person

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The chekcs are going to fail because there are a bunch of issues on the GMLV part of the package