Adapt bookbuilder for James' changes

Kotlin 1.5.30 working, ready for edits.

Author: BruceEckel

Examples/BreakAndContinue/ForControl.kt

@@ -4,10 +4,10 @@ import atomictest.eq
 
 fun main() {
   val nums = mutableListOf(0)
-  for (i in 4 until 100 step 4) { // [1]
-    if (i == 8) continue          // [2]
-    if (i == 40) break            // [3]
+  for (i in 4 until 100 step 4) {    // [1]
+    if (i == 8) continue             // [2]
+    if (i == 40) break               // [3]
     nums.add(i)
-  }                               // [4]
+  }                                  // [4]
   nums eq "[0, 4, 12, 16, 20, 24, 28, 32, 36]"
 }

gradle/tasks.gradle

@@ -3653,4 +3653,4 @@ task run (dependsOn: [
     doLast {
         println '*** run complete ***'
     }
-}
+}