Fix completePeriodIds wrong behavior, now using dates as parameter
Update MLS.py to work with completePeriodIds
Update ITS.py to work with completePeriodIds
Update IRC.py to work with completePeriodIds
Update SCR.py to work with completePeriodIds
Refactor classes completePeriodIds call
Merge pull request #8 from VizGrimoire/analysis-report

Ok. all reviewed and if tests are working, merging it!

Thanks dani!