REL: prepare repo for next release cycle

CHANGELOG.md

@@ -5,6 +5,20 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Added
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
 ## [v0.4.0] - 2021-06-21
 
 ### Added

pom.xml

@@ -25,7 +25,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.caosdb</groupId>
   <artifactId>caosdb-server</artifactId>
-  <version>0.4.0</version>
+  <version>0.5.0-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>CaosDB Server</name>
   <properties>

src/doc/conf.py

@@ -25,9 +25,9 @@ copyright = '2020, IndiScale GmbH'
 author = 'Daniel Hornung'
 
 # The short X.Y version
-version = '0.4'
+version = '0.5'
 # The full version, including alpha/beta/rc tags
-release = '0.4.0'
+release = '0.5.0-SNAPSHOT'
 
 
 # -- General configuration ---------------------------------------------------