close #18 (by #20 in b7d9aa07f06b0a1a5d776762ae7b21f3e0a79a38, major improvement by #31 in 307717e20fa9ffcd292ee13f9d573eb72111ce42)
close #13 (by #20 in b7d9aa07f06b0a1a5d776762ae7b21f3e0a79a38, major improvement by #31 in 307717e20fa9ffcd292ee13f9d573eb72111ce42)
close #14 (by #20 in b7d9aa07f06b0a1a5d776762ae7b21f3e0a79a38, major improvement by #31 in 307717e20fa9ffcd292ee13f9d573eb72111ce42)
provide configuration for manual test setup (by #28 in bb97da5347210dc8c146ed60e3a1347636bb67e7, major improvement by #31 in 307717e20fa9ffcd292ee13f9d573eb72111ce42)
close #19 (by #30 in 97c83a08bea08f34a58d3896dec50be3b856209a)
close #26 (in c944d1624e2147933384d0e2e05cc7e3e36662c3)
close #5 (by #32 in ee0ce224e2ce3bcc384e92dd28d4f5dd6f8a6f5f)
close #7 (by #32 in ee0ce224e2ce3bcc384e92dd28d4f5dd6f8a6f5f)
close #23 (by #37 in 2cb49dbbcdabed2d0554af9173b9dc39f01180c8)
This is the overall PR for the Crawl milestone.