Add remaining comments to methods and classes. Left some TODOs for s… #332

	name: tests
	env:
	version: 8.0.3
	on: push
	jobs:
	build:
	runs-on: ubuntu-20.04
	steps:

	- name: checkout repo content
	uses: actions/checkout@v2 # checkout the repository content to github runner

	- name: install dependencies (SCIPOptSuite)
	run: \|
	wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" \| tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
	sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb

	- name: setup python
	uses: actions/setup-python@v4
	with:
	python-version: '3.9' # install the python version needed

	- name: install python packages
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt

	- name: install PySCIPOpt
	run: python -m pip install .

	- name: install module
	run: pip install -e .

	- name: run unit tests
	run: python -m pytest

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