prepend default group

this makes sure manually assigned groups win on systems where only one
group is supported.

skip leaving unknown groups

ignore whitespace in capability testing

added a few more tests for wordpress

make sure integers are quoted as integers

otherwise limit and offsets break in mysql

first go at using real database dumps for tests

this configures a minimal wordpress setup

fix non-SELECT queries

translation update

translation update

finally not available on old PHP releases

added translations and metadata

removed generic test

skip tests if sqlite or pdo is missing

capability checks added

user listing and counting added

added user deletion

usermodification works now

user and group creation works now

added user group selection

began work on PDO auth plugin

avoid undefined offset. replaces #1359

do not accept empty or root $base in search. fixes #1452

You really never want to search the whole filesystem, so something must
have gone wrong. Better abort than go on.

fixed wrongly closed section edit button

The opening tag of the button was self closing, creating invalid HTML.

See https://forum.dokuwiki.org/thread/13346 for initial report

don't exclude install.php from httpd router

translation update