Merge branch 'release/7.x-0.9' into develop
Change cql operators to constants
Revert "Change cql operators to constants"

This reverts commit c29b9b382922899eff23994f01373e22ea383fd3.
convert cql operators to constants
Convert preprocessing to strict cql
Merge branch 'feature/1390-strict_cql_feature' into develop
version 7.x-0.10
Merge branch 'release/7.x-0.10'