Merge pull request #847 from edx/mattdrayer/increment-ecomworker

mattdrayer/increment-ecomworker: Update package reference to 0.4.1

requirements/base.txt

@@ -16,7 +16,7 @@ drf-extensions==0.2.8
 edx-auth-backends==0.5.0
 edx-django-sites-extensions==1.0.0
 edx-drf-extensions==1.0.0
-edx-ecommerce-worker==0.4.0
+edx-ecommerce-worker==0.4.1
 edx-opaque-keys==0.3.1
 edx-rest-api-client==1.6.0
 jsonfield==1.0.3