Use `getattr` with default instead of `if hasattr/else`
Fix a Typo
Fix a typo.
Merge pull request #468 from dmedvinsky/minor_stuff

Use `getattr` with default instead of `if hasattr/else`
Merge pull request #489 from streeter/patch-2

Fix a typo (comment).
Merge pull request #488 from streeter/patch-1

Typo fix (docstring)
Fixed stop all servers (gevent worker).