Version 0.0.11

Note the first bullet point below, which may require manual intervention when
upgrading.

New in this version:

* Changed where clicraft searches for its configuration
** Uses $XDG_CONFIG_HOME/clicraft/foo instead of $XDG_CONFIG_HOME/foo
** Uses $XDG_CONFIG_HOME/clicraft/default instead of $XDG_CONFIG_HOME/clicraft
** Reminder: substitute ~/.config if you don't use XDG_CONFIG_HOME
* Better option parsing supports -oArgument style short options
* Added options to `clicraft restart`
** broadcast a warning in chat for 15 seconds before restarting with --warn
** example restart script also has --if-empty, --if-crashed options
* Overhauled `clicraft edit`
** No longer ignores comments when installing new action scripts
** Uses example action scripts as templates
** Deletes a file if it's empty after deleting it
* Added `clicraft enable` and `clicraft disable` to manipulate example actions
* Fixed a bug -- serverprop() no longer returns an error if a property is null
* Fixed default BACKUP_TARGETS for example backup script
* Added example `clicraft cmd` script to make oft-used server commands easier