Committing Updated HW8
Merge branch 'homework' of https://github.com/sanderbeckp/ASTR599_homework into homework

Conflicts:
	sanderbeckp/HW8/.DS_Store
	sanderbeckp/HW8/cosmology/.DS_Store
	sanderbeckp/HW8/cosmology/__init__.py
	sanderbeckp/HW8/cosmology/cosmology.py
	sanderbeckp/HW8/cosmology/tests/__init__.py
	sanderbeckp/HW8/cosmology/tests/test_cosmology.py