Increased test robustness
Merge branch 'master' of https://github.com/gert-wijns/TypeSafeQueryBuilder into tsqb-hibernateVersion-downgrade
Fixed some warnings which occur during javadoc generation
Prepare POM for sonatype jira ticket
TSQB-35: Added concat support
TSQB-30: Made the group and query available on ongoingrestriction
Merge pull request #36 from gert-wijns/TSQB-35

TSQB-35: Added concat support
Merge pull request #37 from gert-wijns/TSQB-30

TSQB-30: Made the group and query available on ongoingrestriction
Commit for tag 1.15.0
Update version back to snapshot
Updated readme
merge concact function