pycgmStatic Refactor

[jm786]

Summary of PR:

Made appropriate changes to render pycgmStatic Pep 8 compliant. Refactored four functions:

• IADCalculation --> iad_calculation
• staticCalculationHead --> calculate_head_angle
• footJointCenter --> foot_joint_center

Also added pyenv to .gitignore and a init.py for the new pycgm folder.

What issues does this PR close:

pycgmStatic Pep 8 Compliance pycgmStatic Refactor (partially)

What files were changed and what changes were made?

pycgm/static.py: Refactored the aforementioned functions and made appropriate pep8 changes. pycgm/tests/test_static_axis.py: Skipped non-refactored functions and refactored appropriate tests. pycgm/tests/test_static_utils.py: Skipped non-refactored functions and refactored appropriate tests. .gitignore: added .python-version.

Does your PR (check all that applies):

• [ ] Add documentation
• [x] Change/Remove documentation
• [ ] Add tests
• [x] Change/Remove tests
• [ ] Add code
• [x] Change/Remove code
• [x] Fix formatting

Are there any errors/relevant logs in your code?

None

How has this been tested?

Used pytest, flake8.