Merge pull request #7 from vlimant/growth_member

Monitoring history as a member of each document (towards compaction)
aggregate for multiple outputs
Merge pull request #8 from vlimant/multiple_output

aggregate for multiple outputs
Added changes for very old request check

Signed-off-by: Antanas Norkus <antanas.norkus@cern.ch>
Merge branch 'master' of https://github.com/cms-PdmV/stats
parse task1 for relevant information to computed expected number of events in output
Merge pull request #9 from vlimant/fill_expected_for_taskchain

Fill expected for taskchain