evolve: revision graph

graph

less more | rev 5023: (0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 tip

evolve: add test to demonstrate a bug when active topic is empty stable
Fri, 20 Dec 2019 17:17:30 +0530, by Sushil khanchi
evolvecmd: fix a typo node->None
Thu, 19 Dec 2019 21:36:59 -0800, by Martin von Zweigbergk
evolvecmd: avoid a ctx->node->ctx conversion
Thu, 19 Dec 2019 21:15:31 -0800, by Martin von Zweigbergk

less more | rev 5023: (0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 tip