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				RobinsonTiler Release Notes
				---------------------------

This file contains brief notes about each of the released
versions of the RobinsonTiler.

Version 2017-08-22-21-21-12:
	- Added translation of growth tile pattern so series
	  can now be added as strings of 0, 1, 2, and 3,
	  which are then correctly translated to growth tile
	  types.

Version 2017-08-22-23-49-38:
	- Allow manually setting of seed by pasting into
	  dialog box.

Version 2017-08-28-14-34-40:
	- Draw frontier locations to show where possible growth
	  can occur.

Version 2017-08-28-22-32-22:
	- Change manipulation of scene with mouse to allow panning
	  on left click and zoom on right (zoom out with shit right)
	- Improved handling of selection boxes and resetting them
	- Allow for deletion of selected tiles or deletion of all
	  tiles which are not selected.

Version 2017-08-29-22-35-19:
	- Allow for saving assemblies, loading assemblies, and
	  setting the current assembly as the seed.
	- Allow turning off of growth signal overlay
	- Fixed some issues with zooming and scrolling to invalid
	  locations.

Version 2017-09-06-13-53-30:
	- A variety of bug fixes related to scrolling, loading, and
	  saving.
	- Added the ability to copy and paste (sub)assemblies. This
	  still needs to be prettied up a bit.

Version 2017-09-13-13-22-53:
	- Added caching of simulation steps and ability to rewind
	- Cleaned up a few bugs related to drawing

Version 2017-09-14-14-25-58:
	- Added ability to toggle display of the grid (by typing
	  't' or via the menu)
	- Added new mouse 'drawing' mode to allow selection of locations
	  to disable/re-enable growth into those locations

Version 2017-09-14-21-07-49:
	- More efficient drawing: only paint clipped region and draw
	  new tiles if they are in the visible part of the window.

Version 2017-09-15-12-32-18:
	- Fixed issues with manually drawing disabled growth locations
	- Fixed concurrency issue with frontier accesses

Version 2017-09-20-14-50-55:
	- A few relatively minor bug fixes, mostly related to maintaining
	  frontier locations (more) correctly when rewinding

Version 2017-11-28-22-06-40:
	- Enhancements to allow generation of self-assembling tiles
	- Added timestamp-based version to about and help dialogs

Version 2017-11-28-23-01-39:
	- Fixing a problem with the menu

Version 2017-11-30-14-43-46:
	- Added menu option to center the view on specified coordinates

Version 2017-12-02-11-02-39:
	- Removed a restriction on frontier locations with only two neighbors
	  which required the added tile type to be in a particular set