Enhance printing Error object

In Kaluma

> var x = new Error('asfasdf');
undefined
> x
{}
>

In Node.js

> var x = new Error('asfasdf');
undefined
> x
Error: asfasdf
    at REPL1:1:9
    at Script.runInThisContext (vm.js:133:18)
    at REPLServer.defaultEval (repl.js:484:29)
    at bound (domain.js:413:15)
    at REPLServer.runBound [as eval] (domain.js:424:12)
    at REPLServer.onLine (repl.js:817:10)
    at REPLServer.emit (events.js:327:22)
    at REPLServer.EventEmitter.emit (domain.js:467:12)
    at REPLServer.Interface._onLine (readline.js:337:10)
    at REPLServer.Interface._line (readline.js:666:8)
>

kaluma-project / kaluma

Enhance printing Error object #386