Fix bumpversion config

.bumpversion.cfg

@@ -3,19 +3,13 @@ current_version = 0.3.0.dev1
 commit = True
 tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.dev(?P<dev>\d+))?
-serialize = 
+serialize =
 	{major}.{minor}.{patch}.dev{dev}
 	{major}.{minor}.{patch}
 commit-args = --no-verify
 
 [bumpversion:file:setup.py]
-search = version\="{current_version}"
-replace = {new_version}
-
 [bumpversion:file:derex/runner/__init__.py]
-search = __version__ \= "{current_version}"
-replace = {new_version}
-
 [bumpversion:file:docker-definition/Dockerfile]
-search = ENV DEREX_VERSION\='{current_version}'
-replace = {new_version}
+search = DEREX_VERSION={current_version}
+replace = DEREX_VERSION={new_version}