common: improve printing of Hash and Address#21834

Merged

fjl merged 5 commits intoethereum:masterfrom lobatt:better-print-address

Dec 8, 2020

+242-18

Commits on Nov 12, 2020

override default formatter for Address so it could print out nicer when
lobatt
committed
Fix "%s"

lobatt
authored and
lobatt
committed

Commits on Dec 7, 2020