PIM-1627: Implements completeness for prices
PIM-1627: Update CHANGELOG.md
Merge branch 'master' into PIM-1627
PIM-1627: Clean code for completeness generator
PIM-1627 Dividing the query in 3 steps to help improve performance and maintenability
CS Fixes
Merge pull request #634 from akeneo/PIM-1627

PIM-1627: Implements completeness for prices