Merge 'mysql_ansi' into 'trunk'

r6983@Thesaurus (orig r6982):  ribasushi | 2009-07-04 11:46:57 +0200
New branch to experiment with a sanifying mysql on_connect_call
r6984@Thesaurus (orig r6983):  ribasushi | 2009-07-04 11:49:44 +0200
Initial set_ansi_mode code - make sure to utilize _do_query instead of dbh->do, so the result is visible in the trace
r6987@Thesaurus (orig r6986):  ribasushi | 2009-07-04 12:40:47 +0200
Fix POD
r7178@Thesaurus (orig r7175):  ribasushi | 2009-08-03 11:51:15 +0200
Wrap up set_strict_mode for mysql