Use pluggable logger rather the puts

lib/handlebars/vm.js

@@ -250,8 +250,7 @@ Handlebars.JavaScriptCompiler = function() {};
 
       this.compileChildren(environment);
 
-      //puts(environment.disassemble());
-      //puts("")
+      Handlebars.log(Handlebars.logger.DEBUG, environment.disassemble() + "\n\n");
 
       var opcodes = environment.opcodes;
       var opcode, name;
@@ -315,8 +314,7 @@ Handlebars.JavaScriptCompiler = function() {};
       var fn = Function.apply(this, params);
       fn.displayName = "Handlebars.js"
 
-      //puts(fn.toString())
-      //puts("")
+      Handlebars.log(Handlebars.logger.DEBUG, fn.toString() + "\n\n");
 
       container.render = fn;