update ucx

expression parser: add support for functions

redirect stdout/stderr to log file

use non-blocking IO for pipes and socket in send_cgi

add http_send_response function that is usable for non-blocking IO

parse cgi stderr output for logging and use non-blocking pipes

refactor send_cgi into non-blocking SAF (wip)

fix prepare_service_file error handling

improve error handling in send_file if the file is a directory

add check if pidfile can be opened

run Init directives after setuid

make config parser delimiters configurable

allow '-' in tokens, add support for negative integers

add obj.conf expression parser

extend serverconfig tokenizer to create separate tokens for brackets

use realloc instead of malloc in object_add_directive

new recursive function to convert objconf (preparation for nsapi conditions)

new obj.conf parser based on serverconfig parser

use server.conf parser for init.conf as well

prepare serverconfig parser to be also used for obj.conf and init.conf

update ucx hash functions

switch from ucx 2 to 3

improve propfind error handling

implement ACL check for proppatch requests

improve error handling in webdav_proppatch

improve sessionhandler error handling

improve error handling in basic_run_session

abort config loading if an unknown webdav backend is specified

(0) -300 -100 -50 -28 +28 +50 +100 tip

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