Minor fix and added dependency on six

Fixes to make it work on python2.7 again.
Dependency for package six.
Chrome workaround for Maximum call stack size exceeded

Removed the "debugger" statement workaround, as it impacts working
with Chrome in developer mode.

A simple statement appears to do the job.

Remove do/while statement and get 'Maximum call stack size exceeded'
       do { return new $int(value, radix); } while (0);
Fix for IE 11 (Focus)

IE presents itself as mozilla, so it trips on the bug.
Fix for JSONTranslations empty keyword

Cannot localize zero space.
Added missing lib.logging package
Merge pull request #823 from janjaapbos/master

Minor fix and added dependency on six