New tests for Array.from/of.
Merge remote-tracking branch 'upstream/master'
Tune our small array23.js file.
Fix tests for or (small) new stuff.
Implement the simple Array.of method.
Merge remote-tracking branch 'upstream/master'
New tests for Array's find/findIndex.
Implement Array's find/findIndex.
Mention some members are part of EC 6.
Rename callbackfn to predicate in Array's find/findIndex.
Merge branch 'master' of https://github.com/carlosalberto/echo-js into carlosalberto-master