Merge branch 'release/v1'
Merge branch 'develop'
Merge branch 'develop'
1. bug fix in execute without a query name
2. add delete all over the board
3. display errors
add query-migrate
bug fix in new query
Revert "bug fix in new query"

This reverts commit 3eb54ce53781c663410cd271e0caea7cbb771191.
bug fix in vars
Merge branch 'hotfix/fix_vars' into develop