Added methods to check if below sea-level points were considered sea … #70

	name: Doctest

	on:
	push:
	branches:
	- main
	pull_request:
	# Run workflow when PR is changed, or when changed from draft to ready
	types: [opened, synchronize, reopened, ready_for_review]
	branches:
	- '**'

	jobs:

	build-and-test:
	name: Docs
	runs-on: ubuntu-latest

	# Skip job if it's a draft PR
	if: github.event.pull_request.draft == false

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2

	- name: install pints
	run: \|
	python --version
	python -m pip install --upgrade pip setuptools wheel
	python -m pip install .[dev]

	- name: run doctest
	run: \|
	python nevis/tests/docs.py

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