updated Configurator version: 0.0.10
fixed NPE for Long getLong("propName", null).
removed `$tag{...}` related help.
added `<Pragma event='call-placeholder' action='$call{...}'/>` processing.
removed replaceTag().
updated the command description.
added `<Pragma event='tag-placeholder' action='$tag{...}'/>` processing.
improved the var placeholder format definition.