bat: update importer-bat

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
regress:regression: add '!' as filter

Add '!' filter to exclude the tests which contain the tags
following it.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
bat: rename importer-bat to history-bat

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
bat: add current-bat

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>