Bumped version to 1.4.0
Bumped version to 1.4.0

serjant/django-mailchimp,piquadrat/django-mailchimp,czpython/django-mailchimp,serjant/django-mailchimp,pigletto/django-mailchimp,pigletto/django-mailchimp,czpython/django-mailchimp,piquadrat/django-mailchimp