ast printer correctly prints unroll and continue

compilerAst/src/prog8/ast/AstToSourceTextConverter.kt

@@ -53,6 +53,17 @@ class AstToSourceTextConverter(val output: (text: String) -> Unit, val program:
         outputln("}\n")
     }
 
+    override fun visit(continueStmt: Continue) {
+        output("continue")
+    }
+
+    override fun visit(unrollLoop: UnrollLoop) {
+        output("unroll ")
+        unrollLoop.iterations.accept(this)
+        output(" ")
+        unrollLoop.body.accept(this)
+    }
+
     override fun visit(containment: ContainmentCheck) {
         containment.element.accept(this)
         output(" in ")