prepare to release version 8.4 (#656)

Author: mr-c

Makefile

@@ -32,7 +32,7 @@ COVBASE=coverage run --append
 
 # Updating the Major & Minor version below?
 # Don't forget to update setup.py as well
-VERSION=8.3.$(shell date +%Y%m%d%H%M%S --utc --date=`git log --first-parent \
+VERSION=8.4.$(shell date +%Y%m%d%H%M%S --utc --date=`git log --first-parent \
 	--max-count=1 --format=format:%cI`)
 
 ## all                    : default task (install schema-salad in dev mode)

setup.py

@@ -106,7 +106,7 @@
 
 setup(
     name="schema-salad",
-    version="8.3",  # update the VERSION prefix in the Makefile as well 🙂
+    version="8.4",  # update the VERSION prefix in the Makefile as well 🙂
     description="Schema Annotations for Linked Avro Data (SALAD)",
     long_description=open(README).read(),
     long_description_content_type="text/x-rst",