Holds the ScriptEditorMorph structures for the current version of a user-defined tile script, as well as previous versions thereof.
currentScriptEditor The current version of the ScriptEditorMorph for the script
formerScriptEditors Earlier versions of the script, for recapturing via the Versions feature
(a dictionary, <timeStamp> -> ScriptEditorMorph

	script editor
	allScriptVersionsDo: bringUpToDate currentScriptEditor currentScriptEditor: formerScriptEditors instantiatedScriptEditor releaseCachedState

	textually coded
	becomeTextuallyCoded isTextuallyCoded

	updating
	updateToPlayer:

	versions
	recreateScriptFrom: revertScriptVersionFrom: revertScriptVersionFrom:installing: revertToLastSavedTileVersionFor: saveScriptVersion: savedTileVersionsCount

	script editor	top
	allScriptVersionsDo:
	bringUpToDate
	currentScriptEditor Answer the currentScriptEditor value
	currentScriptEditor:
	formerScriptEditors Answer the formerScriptEditors value
	instantiatedScriptEditor Return the current script editor, creating it if necessary
	releaseCachedState release all non-showing scriptors. What do we do about versions????

	textually coded	top
	becomeTextuallyCoded
	isTextuallyCoded

	updating	top
	updateToPlayer: Set aPlayer as the current player referenced by the receiver and its script editor

	versions	top
	recreateScriptFrom: Used to revert to old tiles
	revertScriptVersionFrom: Let user choose which prior tile version to revert to, and revert to it
	revertScriptVersionFrom:installing: Replace anEditor with a brought-up-to-date version of aSavedEditor
	revertToLastSavedTileVersionFor: revert to the last saved tile version
	saveScriptVersion:
	savedTileVersionsCount Answer the number of saved tile versions of the script