update libraries

Pipfile

@@ -6,13 +6,13 @@ verify_ssl = true
 [dev-packages]
 
 [packages]
-django = "==2.1.5"
+django = "==2.2.4"
 django-crispy-forms = "==1.7.2"
-django-debug-toolbar = "==1.11"
-django-extensions = "==2.1.5"
-django-tables2 = "==2.0.4"
-djangorestframework = "==3.9.1"
-requests = "==2.21.0"
+django-debug-toolbar = "==2.0"
+django-extensions = "==2.2.1"
+django-tables2 = "==2.1.0"
+djangorestframework = "==3.10.2"
+requests = "==2.22.0"
 
 [requires]
 python_version = "3.5"