historyId determination bugfix
import job creation enabled
QueryDSL logger added
missing toString() added
create import job when columns are changed
table import_job_column implemented
TerminateJobs implemented
ServiceApp simplified (ask pattern removed)
FileUtils and JdbcUtils implemented
unit tests for job system added
database tables renamed: history -> version
import job creation improved
treeFold implemented (for DatasetStatus)
DatasetStatus query bugfix