Merge pull request #801 from confusinguser/master

Fix typo in w01 lecture

bulk fix, last things before final print

add .gitignore in workspace, ignore .vscode

Merge pull request #728 from aliceakesson/patch-2

Fixed a grammatical error

update images literature

fix incorrect came case MultiMap -> Multimap

fix incorrect came case MultiMap -> Multimap

fix incorrect came case MultiMap -> Multimap

fix #445, no paramValue in image processing

kill Traversable, migrate to 2.13