with Cartodbfy being invoked by schema triggers. Some
issues with regclass interpretation in tests still remain.
Some issues with slightly different behavior to old version
remain. Some issues with error messages / notification messages
changing a little still remain.
Roles are not created anymore, previously private functions for table
information extraction (CDB_UserTables, CDB_TableIndexes, CDB_ColumnNames,
CDB_ColumnType) will now be callable by anyone while only returning
information about tables over which the calling user has SELECT privilege.
Closes#36