Update how github users clone their own repos (gabrie30#127)

Update CHANGELOG.md

bump version

bump version

Update CHANGELOG.md

cut new release

bump version to 1.3.1

Merge pull request gabrie30#77 from gabrie30/vendoring

add vendoring and some minor improvements

Update CHANGELOG.md

Merge pull request gabrie30#58 from gabrie30/limiting

Limiting concurrency