Fix bumpversion

Author: ddomingof

.bumpversion.cfg

@@ -16,12 +16,12 @@ values =
 	dev
 	production
 
-[bumpverion:part:build]
+[bumpversion:part:build]
 values = [0-9A-Za-z-]+
 
 [bumpversion:file:setup.cfg]
-search = __version__ = '{current_version}'
-replace = __version__ = '{new_version}'
+search = version = {current_version}
+replace = version = {new_version}
 
 [bumpversion:file:docs/source/conf.py]
 search = release = '{current_version}'