Squashed commit of the following:

commit 3abd0bf
Merge: 82bfd1c 2f03577
Author: Dale Henrichs <dale.henrichs@gemtalksystems.com>
Date:   Thu Jun 27 08:43:55 2024 -0700

    Merge branch 'v2' of github.com:GsDevKit/GsDevKit_stones into v2

commit 82bfd1c
Author: Dale Henrichs <dale.henrichs@gemtalksystems.com>
Date:   Thu Jun 27 08:43:28 2024 -0700

    Issue #2: add informative error messages when the registry variables have not been set

commit 2f03577
Author: Dale Henrichs <dale.henrichs@gemtalksystems.com>
Date:   Mon Jun 24 18:35:44 2024 -0700

    looks like one needs to use v2.1 for 3.7.1 and mac

commit fbd6e72
Author: Dale Henrichs <dale.henrichs@gemtalksystems.com>
Date:   Mon Jun 24 17:41:16 2024 -0700

    update to use v4 of actions (node 20)

commit 0cd5e4c
Author: Dale Henrichs <dale.henrichs@gemtalksystems.com>
Date:   Mon Jun 24 17:35:05 2024 -0700

    3.7.1 and macos-14 not happy

commit fdfa86d
Author: Dale Henrichs <dale.henrichs@gemtalksystems.com>
Date:   Mon Jun 24 11:49:17 2024 -0700

    3.6.7 not available

commit fba9723
Author: Dale Henrichs <dale.henrichs@gemtalksystems.com>
Date:   Mon Jun 24 10:10:31 2024 -0700

    update the lineup ... macos-11 no longer supported

src/GsDevKit_stones-Core.package/GDKStonesRegistry.class/instance/productDirectory.st

@@ -1,3 +1,8 @@
 accessing
 productDirectory
-	^productDirectory
+	productDirectory
+		ifNil: [ 
+			self
+				error:
+					'The productDirectory for this registry has not been set. Please run registerProductDirectory.solo to set the productDirectory.' ].
+	^ productDirectory

src/GsDevKit_stones-Core.package/GDKStonesRegistry.class/instance/projectDirectory.st

@@ -1,3 +1,8 @@
 accessing
 projectDirectory
+	projectDirectory
+		ifNil: [ 
+			self
+				error:
+					'The projectDirectory for this registry has not been set. Please run registerProjectDirectory.solo to set the projectDirectory.' ].
 	^projectDirectory

src/GsDevKit_stones-Core.package/GDKStonesRegistry.class/instance/stonesDirectory.st

@@ -1,3 +1,8 @@
 accessing
 stonesDirectory
+	projectDirectory
+		ifNil: [ 
+			self
+				error:
+					'The stonesDirectory for this registry has not been set. Please run registerStonesDirectory.solo to set the stonesDirectory.' ].
 	^stonesDirectory

src/GsDevKit_stones-Core.package/GDKStonesRegistry.class/instance/todeHome.st

@@ -1,3 +1,8 @@
 accessing
 todeHome
+	todeHome
+		ifNil: [ 
+			self
+				error:
+					'The todeHome for this registry has not been set. Please run registerTodeSharedDir.solo to set the todeHome.' ].
 	^todeHome

src/GsDevKit_stones-Core.package/GDKStonesRegistry.class/properties.json

@@ -1,10 +1,10 @@
 {
-	"category" : "GsDevKit_stones-Core",
-	"classinstvars" : [
-		 ],
-	"classvars" : [
-		 ],
 	"commentStamp" : "",
+	"super" : "GDKAbstractRegistryStore",
+	"category" : "GsDevKit_stones-Core",
+	"classinstvars" : [ ],
+	"pools" : [ ],
+	"classvars" : [ ],
 	"instvars" : [
 		"stones",
 		"todeHome",
@@ -14,9 +14,8 @@
 		"projectDirectory",
 		"products",
 		"projectSets",
-		"templates" ],
+		"templates"
+	],
 	"name" : "GDKStonesRegistry",
-	"pools" : [
-		 ],
-	"super" : "GDKAbstractRegistryStore",
-	"type" : "normal" }
+	"type" : "normal"
+}