Version 1.5 - Major update:

* New: Unit now waits until an input is connected to control box before activating switches
* New: Pre-initialisation state has all three indicators yellow
* New: Snaps closer to adjacent walls (still leaves service gap behind unit for dismantling)
* Visual: Added ventillation grates to switchboxes
* Visual: Warning indicator now flashes faster (same speed as other warnings in base game)
* Improvement: Uses slots and markers to position modules
* Improvement: 2 recurring update scripts completely removed (better performance)
* Improvement: Modules removed more quickly if main unit is removed
* Fixed: No longer shortcircuits generators on big (laggy) prisons
* Fixed: No longer gets confused if multiple units are placed next to each other
* Other: Automatically upgrades v1.4 and earlier units already on map to v1.5 structure

Version 1.4 - Bugfix release:

* Fixed: Can now dismantle/dump the Circuit Isolator!
* Improved: Lights on isolator are more responsive when primary circuit fails

Version 1.3 - Bugfix release:

* Fixed: Intermittent output resets when game speed increased
* Fixed: Loading bug where modules weren't getting detected

Version 1.2 - Bugfix release:

* Fixed: "attempt to perform arithementic on local 'x' (a nil value)" bug when loading a save game

Version 1.1 - Bugfix release

* Partially fixed: Random resetting of outputs should now be fixed

Version 1.0 - Initial release:

* Known bug: Can't dismantle unit (mod system bug #0010052)
* Known bug: Output state random resetting (mod system bug #0009443)