commits: aaf37381b38310cb11311cac26515b1ecbcf09c1

This data as json

sha	message	author_date	committer_date	raw_author	raw_committer	repo	author	committer
aaf37381b38310cb11311cac26515b1ecbcf09c1	concat keeps attrs from first variable. (#3637) * concat keep attrs from first variable. Fixes #2060 Fixes #2575	2019-12-24T13:37:03Z	2019-12-24T13:37:03Z	0c7e9e762dbfd6554e60c953bf27493047d95109	26a6f89d5f52aa3fe5267933be6139d10dfff2a7	13221727	2448579	35968931