Merge branch 'release/0.2.13' into develop
Merge branch 'master' into develop
Write our own threadpool to avoid creating 50 subprocesses.
Merge pull request #8 from fedora-infra/feature/threadpool

Write our own threadpool to avoid creating 50 subprocesses.
Version 0.2.13.1
Merge branch 'release/0.2.13.1'