pull latest from master#1

Merged

cceyda merged 6 commits intocceyda:masterfrom

singularityhub:master

Sep 14, 2020

Commits on May 21, 2020

updating note about submitting PRs to master branch (there is no develop branch
vsoch
committed

Commits on May 22, 2020

🚸 Add `stderr` to generator when streaming (#162)

shnizzedy
and
vsoch
authored

Commits on May 29, 2020

Commits on May 31, 2020

Adding support for multistage builds (#165)
vsoch
authored

Commits on Jun 1, 2020

adding pyflakes to check for unused imports and issues (#166)
vsoch
authored