Update dependencies

Gopkg.lock

   branch = "master"
   name = "github.com/dustin/go-humanize"
   packages = ["."]
-  revision = "02af3965c54e8cacf948b97fef38925c4120652c"
+  revision = "9f541cc9db5d55bce703bd99987c9d5cb8eea45e"
 
 [[projects]]
   branch = "master"