in a transaction (however MySQL doesn't support DDL in transactions...).

Fixed load_config to check for value set in the config file instead of the
database properly.

Added a couple of XMLDB helper functions to prevent fatal errors and enable
logging.

the usr table.

option and a default root user.

how to improve it.

upgrades.

list of plugin types for upgrades.

Fixed set_config to global $CFG so that the config option will be set
properly, and fixed set_config_plugin to use $table properly.

so it can be plainly seen.

although they may be removed.

Check for whether the system is actually installed instead of checking for
if the version is available, which allows the install to proceed without
the user being bothered by pesky details such as having to log in when no
accounts are available.

Get the auth script from the new location, which will change to
safe_require when I get hold of it.

upgrade.json.php again to mark the system as installed. Improved the alt
text for the images. Added an error callback for the upgrading so that if
the json script dies the spinner stops spinning.

whitespace.

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form, and made the set_error method public for the same reason. Removed
a debug line.

at.

function so it can set errors.

and stores data from the user database across sessions (saving a db lookup)

interface and pluggable element types at the moment, though it needs some
cleanup yet.