Update manifest with markdown version of files

MANIFEST.in

@@ -1,6 +1,6 @@
-include AUTHORS.rst
-include CONTRIBUTING.rst
-include HISTORY.rst
+include AUTHORS.md
+include CONTRIBUTING.md
+include HISTORY.md
 include LICENSE
-include README.rst
+include README.md
 recursive-include disposable_email_checker *.html *.png *.gif *js *.css *jpg *jpeg *svg *py

disposable_email_checker/validators.py

@@ -4,6 +4,7 @@
 from six.moves import range
 from django.conf import settings
 from django.utils.encoding import force_text
+from django.core import validators
 from django.core.exceptions import ValidationError
 from django.utils.translation import ugettext_lazy as _
 from django.core.urlresolvers import get_callable
@@ -33,6 +34,13 @@ def __init__(self, message=None, code=None, whitelist=None):
 
     def __call__(self, value):
         value = force_text(value)
+
+        # Catch invalid emails before we check if they're disposable
+        try:
+            validators.validate_email(value)
+        except ValidationError:
+            return
+
         user_part, domain_part = value.rsplit('@', 1)
 
         if domain_part not in self.whitelist: