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- added the --disable-dns-resolve option (119)
- fix multiprocessing pickling issues by using dill
- display the max worker in the sizing result (123)
- add aiodogstatsd (122)
- added the --single-run option (124)
- added support for 3.8 & 3.9 in tox/travis-ci
- speed up tests
- dropped support for 3.5