Revert "Bug fix and performance improvements:"
Revert "Bug fix and performance improvements:"

This reverts commit 94dd970863dfd7888184f2a7214ff2c8bccf2091.

Conflicts:
	cities_light/management/commands/cities_light.py

eevol/django-cities-light,KevinGrahamFoster/django-cities-light,max-arnold/django-cities-light,yourlabs/django-cities-light,eevol/django-cities-light,max-arnold/django-cities-light,greenday2/django-cities-light,affan2/django-cities-light,gpichot/django-cities-light,gpichot/django-cities-light,affan2/django-cities-light