Add tasks for all the new languages

Task/Inheritance-Single/Lingo/inheritance-single-1.lingo

@@ -0,0 +1,2 @@
+-- parent script "Animal"
+-- ...

Task/Inheritance-Single/Lingo/inheritance-single-2.lingo

@@ -0,0 +1,7 @@
+-- parent script "Dog"
+property ancestor
+
+on new (me)
+  me.ancestor = script("Animal").new()
+  return me
+end

Task/Inheritance-Single/Lingo/inheritance-single-3.lingo

@@ -0,0 +1,7 @@
+-- parent script "Cat"
+property ancestor
+
+on new (me)
+  me.ancestor = script("Animal").new()
+  return me
+end

Task/Inheritance-Single/Lingo/inheritance-single-4.lingo

@@ -0,0 +1,7 @@
+-- parent script "Lab"
+property ancestor
+
+on new (me)
+  me.ancestor = script("Dog").new()
+  return me
+end

Task/Inheritance-Single/Lingo/inheritance-single-5.lingo

@@ -0,0 +1,7 @@
+-- parent script "Collie"
+property ancestor
+
+on new (me)
+  me.ancestor = script("Dog").new()
+  return me
+end