release v0.8.0

Change-Id: I386704b9431cecf3c50315656357748712629384

Fix unnecessary space in usage output

Change-Id: Iff13939775f55757f0c46bc2a2378494f22b9566

release v0.7.0

Change-Id: Id5037507b26205343d54337162e2fa722716ba18

improvements and more tests

Change-Id: I63cc8efebd6946c801c8060a221727125c322679

fix goreportcard gocyclo issues (jxskiss#6)

Change-Id: I280b699e90fab2d8cc304a24e6d9919e20373ebb

make goreportcard happy (jxskiss#5)

Change-Id: Ica8c1aa65a7735dff26b0a27ca21a8c85c218500

move changelog out of readme and release v0.6.0 (jxskiss#4)

Change-Id: Ifb34f942065f4799a75ca63ec5691bd53b1fd857

release v0.5.0

Change-Id: I6eee7b4a3154f1cdfa6bcf7f4dbeb8135b4968f1

release v0.4.0

Change-Id: I8e27ba542be3de81d6a444e405c4bc3d88599046

release v0.3.1

Change-Id: Ib3533e5a25dc6da56af7c1a0e8d81060f6194b59