Added test to check if multiple white spaces are overwritten with one
Added test to check if multiple white spaces are overwritten with one

argollo/django-htmlmin,argollo/django-htmlmin,cobrateam/django-htmlmin,cobrateam/django-htmlmin,Alcolo47/django-htmlmin,erikdejonge/django-htmlmin,erikdejonge/django-htmlmin,Alcolo47/django-htmlmin,erikdejonge/django-htmlmin,Zowie/django-htmlmin,Zowie/django-htmlmin