Add `hash` method to DAGSet #19

	name: CI

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	workflow_dispatch:

	jobs:
	main:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v2
	with:
	submodules: true

	- name: Apt dependencies
	shell: bash
	run: \|
	sudo apt -y update
	sudo apt install -y libgcc-9-dev \
	libstdc++-9-dev \
	libembree-dev \
	python3-dev \
	libhdf5-dev \
	libeigen3-dev \
	cmake

	- name: Python dependencies
	shell: bash
	run: \|
	pip3 install numpy \
	cython==0.29.37 \
	scipy \
	matplotlib \
	h5py \
	pytest \
	pytest-cov \
	codecov

	- name: Build MOAB
	shell: bash
	run: \|
	cd ~
	git clone https://bitbucket.org/fathomteam/moab.git
	cd moab
	git checkout 5.3.1
	mkdir build
	cd build
	cmake -DENABLE_HDF5=ON -DENABLE_BLASLAPACK=OFF -DENABLE_PYMOAB=ON -DCMAKE_INSTALL_PREFIX=$HOME/opt -DCMAKE_BUILD_TYPE=Release ..
	make -j4
	make install
	cd pymoab
	pip3 install .

	- name: Install
	shell: bash
	run: \|
	pip install .

	- name: Test
	shell: bash
	run: \|
	pytest -v .

	- name: tmate debug
	if: ${{ failure() }}
	uses: mxschmitt/action-tmate@v3

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