Update to version 0.2.4.
Update to version 0.2.4.

wklken/yapf,ambv/yapf,sbc100/yapf,google/yapf,sbc100/yapf,elviswf/yapf,lucius-feng/yapf,google/yapf,abduld/yapf,hayd/yapf,thurday/yapf,dmoliveira/yapf,jamesblunt/yapf,bygloam/yapf,nikolamilosevic86/yapf