* click code start
* snake_span
* Update click.dm
* Update click.dm
* Update click.dm
* Update click.dm
* Fixes borg ctrl_click
Also implements allowing blocking of items being ctrl_clicked
* Makes the statpanel not annihilate peoples ratelimiter
Statpanel calls aren't really user controlled (and 180 of them get sent upon loading, as each verb counts as a topic calls when it calls Send-Tabs) so let's not count it towards the user when they log in.
* Add screen helpers, reorganize action button files
Separates screen objects from datums in action button files
* Add a mouse drag indicator to movable screen objects and use new helpers
* Fix shift-clicking actions to reset position
* Fix dreamchecker errors