Minor improvements to CSV processing

4 jobs for master in 53 seconds
Name Stage Failure
deploy Deploy
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy (default-deploy) on project search-commons: Failed to deploy artifacts: Could not transfer artifact eu.dariah.de.minfba:search-commons:jar:1.15.8-RELEASE from/to winseda-maven-releases (https://nexus.winseda.de/repository/winseda-maven-releases/): Failed to transfer file: https://nexus.winseda.de/repository/winseda-maven-releases/eu/dariah/de/minfba/search-commons/1.15.8-RELEASE/search-commons-1.15.8-RELEASE.jar. Return code is: 401, ReasonPhrase: Unauthorized. -> [Help 1]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
ERROR: Job failed: exit status 1