upgrade error handling

[shoulders]

currently when a SQL statement fails I get my custom error page shoing me what function location etc.. But if I enable

require(VENDOR_DIR.'adodb/adodb-php/adodb-exceptions.inc.php');

in adodb.php all adodb/mysql errors are handled by Whoops. This is not a bad thing but is not as quick to diagnose.

• Can I output the errors to the error log?
• are there any other features such as emailing errors and so on I can use

These might be useful for later development

• https://github.com/filp/whoops/issues/185
• https://stackoverflow.com/questions/42169141/whoops-to-catch-pdo-errors
• https://github.com/filp/whoops/blob/master/examples/example.php
• https://github.com/EdmondDantes/BaseException
• https://laracasts.com/discuss/channels/testing/undefined-method-fatalerrorgetstatuscode-using-filpwhoops

force_error_page when used causes headers to be sent and can cause header already sent. i.e. when i disable $VAR['page_no'] global variable for an example

perhaps the error handling might be better changes to SQL error handling because i think all errors that are handled via this method are SQL

Definately do not delete my custom error handling subsystem as it is very useful for finding errors.

[shoulders]

these are all related

ref #915 ref #943 ref #795

[shoulders]

whoops only handles exceptions but my SQL errors are still passed tot he error page.