Basic: recusrive array search has correct parameter declarations &
checks for null/empty/not string
IO: all unset are removed and null or init to array is used to reset
Update for other include pages with some missing default data
DB\IO dbReturn method has a third parameter to set read only assoc and
not number data from the query
Install basic composer for trying out psalm
setting phpan/phpstan for basic static checking and do basic clean up on
all of the files
Because .inc style is deprecated and also dangerious as often not setup
correctly on the server all .inc files have been renamed to .php files.
All internall calls have been udpated.
