add two new functions for var_dump(). dvr() and dvm() which are analogous to dpr() and dsm(). inspired by #58723

#98181: Port from 4-7 unnecessary as devel module for D5 uses drupal_set_message() to output results. Committing the leftover minor fix.

#83511 by bdragon. Devel mod can now spot duplicate queries again. This be my first commit since the new release system... hoping I don't screw it up

problems from module_exist() not existing and CCK-in-core).  patch by
Robrecht Jacques and rump (from comment 3).

#79414 update for form pull patch. by asimmonds. modified by me so that execute block follows fapi submit model ... menu reset form is busted still help.

minor fixes #79236 add block rehash, #78521 dprint_r() gets html encoding, #78520 dpr() is now a true alias of dprint_r(), #78518 phpinfo body gets get stripped properly

replace object structure tab on node with 2 tabs. one shows structure after node_load() and other after node_build_content(). feedback welcome.