Update handout.md
Update handout.md
Update handout.md

test update
Merge pull request #2 from Geosoft2/master

Update
Merge pull request #1 from marmeijer/patch-1

Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md
Update handout.md