refactor Config (extract QueryConfig) & DatabaseLoaderBase
fix Virtuoso not releasing connections
Add prefix declarations to queriesd
refactored main(), accept config file from command-line arguments
changed mvn version to 0.1-SNAPSHOT
improved output
maven - replaced jar & dependency plugins with shade plugin
refactored pom.xml - replaced  jar, dependency & assembly plugins with shade plugin, added some new plugins
extracted the batch implementation to its own class
update to version 0.2-SNAPSHOT
Import/export of preferred canonical URIs (changed config file format!)
ConfigReader bugfix
improved input validation