Revert "Don't create a new instance, when not needed. (e.g. new pyjslib.List())"
Revert "Don't create a new instance, when not needed. (e.g. new pyjslib.List())"

This reverts commit 0388d7ff8cb78d3f0074c34f8413034d6e248dab.

jaredly/pyjamas,jaredly/pyjamas,jaredly/pyjamas,jaredly/pyjamas