Move primtives into a hazmat package
diff --git a/MANIFEST.in b/MANIFEST.in
index a0d91ce..67e9da1 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,4 +4,4 @@
 include README.rst
 
 recursive-include tests *.py
-recursive-include tests/primitives/vectors *
+recursive-include tests/hazmat/primitives/vectors *