Add standard files to gitignore.
Don't daemonize for testing right now (but it works!).
Better error messages.
realpath fails on non-existing files, so use another scheme to see where the file is or create it, and then
memorize the path for later writeback.
Fix use-after-free.
Better log message on log file opening failure.
realpath() doesn't work on non-existing files, so create a default to put into the configuration storage
another way: by getting the CWD, cleaning it up, and adding the caer.log filename to it.