Speed up base64 conversions, and add test with more data for the baseNN conversion to grind.
FossilOrigin-Name: 6c84ae4ba83713c751fddff8be41686bbcb525ac8135e1520436c62d0bc23d2c
L
larrybr committed
9b9017def4edc224e0f4f773b775cfa575cf198b
Parent: 809be56