release: 0.28.0 that;s the right number

release: 0.26, changed NULL_OUTPUT to [], and imposing now that updat…

…es be an array, just like outputs. Updated all tests

releae: 0.25

chore(refactor): simplified history maps

chore(release): 0.19.0

using terse for minification

chore(prepare): preparing for release

chore(README):