#376824 by moshe weitzman. Query log displays dreaded Fatal error: Exception thrown without a stack frame in Unknown on line 0 on Views pages

Fix up the cells in the table in the node_access entries block with the proper class (needed for Bartik theme).

use drupal_var_export() instead of var_dump() during our debugging functions. It is more readable. krumo users don't necessarily see much of this.

Fix failure to detect some 'alien' {node_access} records (records that should not be in the table and would be removed by rebuilding permissions).

#839770 by jcfiala. Notice: Undefined property: stdClass:: in forum_node_presave() when generating forum nodes