scoop status shows "Scoop is up to date." even though buckets don't have the latest changes.

[nimzo6689]

Scoop should notice bucket's status as well as Scoop itself.

Expected Behavior

scoop status
#=>WARN  Scoop is out of date. Run 'scoop update' to get the latest changes.

scoop update
#=>....
scoop status
#=>Scoop is up to date.
#=>Updates are available for:
#=>    new-available-one is shown.

Actual Behavior

scoop status
#=>Scoop is up to date.
#=>Everything is ok!

scoop update
#=>....
scoop status
#=>Scoop is up to date.
#=>Updates are available for:
#=>    new-available-one is shown.