Update libseff to latest version, and minor updates #207

	name: Koka

	# Controls when the workflow will run
	on:
	# Triggers the workflow on push or pull request events but only for the main branch
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	#From https://docs.github.com/en/actions/guides/publishing-docker-images
	jobs:
	bench-system-koka:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- uses: satackey/[email protected]
	# Ignore the failure of a step and avoid terminating the job.
	continue-on-error: true

	- name: Add write permission to directories
	run: \|
	find . -type d -exec chmod 777 {} \;

	- name: Test Koka system
	run: \|
	make test_koka

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