Verifying joins more eagerly (take down active_verify in report_charge).Experimental.
Script and SQL queries for automated testing. Tests successful. More confident about the previous commit.
NULL checks for container elements (pointers).
Forgotten NULL check for traversing multi-element data structures when no constraints are present.
Enhanced auto-test script. Trivial correction for result set presentation configuration. Now using SQLite s way of NULL manipulation, that is sqlite3_result_null.