* automatically set and unset maintenance mode when data is being edited (either sql or files)
* added more verbose help prompts. They should now always appear when -h is used.
* added --setup as more intuitive command for --firstrun. --firstrun is now considered deprecated and will be removed in due time.
* unfuck order of indizes in --siteconfig
* fixed some typos
* convert echo use to CLI::write
* move scattered command line argument checks to CLISetup