diff --git a/build.dart b/build.dart
index b0b5368..81a9fa6 100644
--- a/build.dart
+++ b/build.dart
@@ -1,6 +1,5 @@
 import 'package:web_ui/component_build.dart';
-import 'dart:io';
 
 void main() {
-  build(new Options().arguments, ['example/browser/test.html']);
+  build([], ['example/browser/test.html']);
 }
\ No newline at end of file
diff --git a/example/browser/test.dart b/example/browser/test.dart
index e7b60bb..6d1bdc9 100644
--- a/example/browser/test.dart
+++ b/example/browser/test.dart
@@ -12,7 +12,7 @@ main() {
    attachXLoggerUi();
    
    
-   query("#click").onClick.listen((_) {
+   querySelector("#click").onClick.listen((_) {
      logger.info("Button clicked");
      debug("Foo", "loggerui");
    });
diff --git a/example/server/test.dart b/example/server/test.dart
index 4f81a3d..8f24313 100644
--- a/example/server/test.dart
+++ b/example/server/test.dart
@@ -1,4 +1,3 @@
-import 'dart:io';
 import 'package:logging_handlers/server_logging_handlers.dart';
 import 'package:logging/logging.dart';
  
diff --git a/lib/browser_logging_handlers.dart b/lib/browser_logging_handlers.dart
index d26e98c..a6133c3 100644
--- a/lib/browser_logging_handlers.dart
+++ b/lib/browser_logging_handlers.dart
@@ -1,7 +1,7 @@
 library browser;
 
 import 'dart:html';
-import 'dart:async'; 
+import 'dart:async' show Timer; 
 import 'logging_handlers_shared.dart';
 import 'package:logging/logging.dart';
 export 'logging_handlers_shared.dart';
@@ -14,7 +14,7 @@ export 'logging_handlers_shared.dart';
  */
 void attachXLoggerUi([bool addPrintHandler=true]) {
   Timer.run(() {
-    var loggerComponents = queryAll("div[is=x-loggerui]");
+    var loggerComponents = querySelectorAll("div[is=x-loggerui]");
     print(loggerComponents);
     var listener = Logger.root.onRecord.asBroadcastStream();
     loggerComponents.forEach((component) {
diff --git a/lib/logging_handlers_shared.dart b/lib/logging_handlers_shared.dart
index 111e8fa..1a3b800 100644
--- a/lib/logging_handlers_shared.dart
+++ b/lib/logging_handlers_shared.dart
@@ -1,7 +1,5 @@
 library logging_handlers_shared;
 
-import 'dart:json';
-
 import 'package:logging/logging.dart';
 import 'package:intl/intl.dart';
 
diff --git a/lib/server_logging_handlers.dart b/lib/server_logging_handlers.dart
index c0add98..b3bfff0 100644
--- a/lib/server_logging_handlers.dart
+++ b/lib/server_logging_handlers.dart
@@ -1,9 +1,6 @@
 library server;
 
 import 'dart:io';
-import 'dart:isolate';
-import 'dart:collection';
-import 'dart:async';
 
 import 'package:logging/logging.dart';
 
diff --git a/lib/src/shared/map_transformer.dart b/lib/src/shared/map_transformer.dart
index fcca485..fd137f3 100644
--- a/lib/src/shared/map_transformer.dart
+++ b/lib/src/shared/map_transformer.dart
@@ -1,7 +1,7 @@
 part of logging_handlers_shared;
 
 /**
- * Transforms a Log Record into a Map that can be stringified by JSON.stringify()  
+ * Transforms a Log Record into a Map that can be stringified by JSON.encode()  
  */
 class MapTransformer implements LogRecordTransformer {
   
@@ -15,8 +15,8 @@ class MapTransformer implements LogRecordTransformer {
     map["time"] = logRecord.time != null ? logRecord.time.toString() : null;
     map["sequenceNumber"] = logRecord.sequenceNumber;
     map["loggerName"] = logRecord.loggerName;
-    map["exceptionText"] = logRecord.exceptionText;
-    map["exception"] = logRecord.exception != null ? logRecord.exception.toString() : null;    
+    map["stackTrace"] = logRecord.stackTrace != null ? logRecord.stackTrace.toString() : null;
+    map["error"] = logRecord.error != null ? logRecord.error.toString() : null;    
     return map;
   }
 }
diff --git a/lib/src/shared/string_transformer.dart b/lib/src/shared/string_transformer.dart
index ce0dbfc..e2fff48 100644
--- a/lib/src/shared/string_transformer.dart
+++ b/lib/src/shared/string_transformer.dart
@@ -21,7 +21,7 @@ class StringTransformer implements LogRecordTransformer {
   /// Outputs the logger sequence
   static const SEQ = "%s"; // logger sequence
   static const EXCEPTION = "%x"; // logger exception
-  static const EXCEPTION_TEXT = "%e"; // logger exception message
+  static const STACK_TRACE = "%e"; // logger stack trace
   static const TAB = "\t";
   static const NEW_LINE = "\n";
   
@@ -48,7 +48,7 @@ class StringTransformer implements LogRecordTransformer {
   DateFormat dateFormat;
   
   /// Contains the regexp pattern
-  static final _regexp = new RegExp("($LEVEL|$MESSAGE|$NAME|$TIME|$SEQ|$EXCEPTION|$EXCEPTION_TEXT)");
+  static final _regexp = new RegExp("($LEVEL|$MESSAGE|$NAME|$TIME|$SEQ|$EXCEPTION|$STACK_TRACE)");
   
   StringTransformer({
       String this.messageFormat : StringTransformer.DEFAULT_MESSAGE_FORMAT,
@@ -62,7 +62,7 @@ class StringTransformer implements LogRecordTransformer {
    * [exceptionFormatSuffix] and [timestampFormat] pattern.
    */
   String transform(LogRecord logRecord) {
-    var formatString = logRecord.exception == null ? 
+    var formatString = logRecord.error == null ? 
                                   messageFormat : 
                                   messageFormat+exceptionFormatSuffix;
     
@@ -92,10 +92,10 @@ class StringTransformer implements LogRecordTransformer {
           case SEQ:
             return logRecord.sequenceNumber.toString();
           case EXCEPTION: 
-            if (logRecord.exception != null) return logRecord.exception.toString();
+            if (logRecord.error != null) return logRecord.error.toString();
             break;
-          case EXCEPTION_TEXT:
-            return logRecord.exceptionText;
+          case STACK_TRACE:
+            if (logRecord.stackTrace != null) return logRecord.stackTrace.toString();
         }
       }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 1ddf4f5..772ce9d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,14 +4,14 @@ author: Chris Buckett <chrisbuckett@gmail.com>
 description: A selection of handlers that you can use as targets for the "logger" pub package.  Stop using print() and start using logger.info()
 homepage: https://github.com/chrisbu/logging_handlers
 environment:
-  sdk: '>=0.5.0+1.r21823'
+  sdk: '>=0.8.10+6 <2.0.0'
 dependencies:
-  intl: 0.5.0+1
-  web_ui: 0.4.6+2
-  logging: 0.5.0+1
+  intl: '>=0.9.0 <0.10.0'
+  web_ui: '>=0.4.27'
+  logging: '>=0.9.0 <0.10.0'
 dev_dependencies:
-  unittest: 0.5.0+1
-  browser: '>=0.5.0+1'
+  unittest: '>=0.9.0 <0.10.0'
+  browser: '>=0.9.0 <0.10.0'
 
 #dependencies:
 #  unittest: any
\ No newline at end of file
diff --git a/test/shared/shared_test.dart b/test/shared/shared_test.dart
index 5c72b18..b4ed9cd 100644
--- a/test/shared/shared_test.dart
+++ b/test/shared/shared_test.dart
@@ -2,8 +2,10 @@ library shared_test;
 
 import 'package:logging_handlers/logging_handlers_shared.dart'; 
 import 'package:unittest/unittest.dart';
+import 'package:unittest/mock.dart';
 import 'package:logging/logging.dart';
-import 'dart:json';
+import 'package:intl/intl.dart';
+import 'dart:convert';
 
 part 'src/transformer_tests.dart';
 
diff --git a/test/shared/src/transformer_tests.dart b/test/shared/src/transformer_tests.dart
index 3c02d28..3f94bd2 100644
--- a/test/shared/src/transformer_tests.dart
+++ b/test/shared/src/transformer_tests.dart
@@ -1,6 +1,10 @@
 part of shared_test;
 
-
+class MockStackTrace extends Mock implements StackTrace {
+  String _text;
+  MockStackTrace(String this._text);
+  toString() => _text;
+}
 
 runTransformerTests() {
   group("transformers", () {
@@ -31,49 +35,57 @@ class TestFormatterImpl extends LogRecordTransformer { }
 
 
 runStringTransformerTests() {
+  print(new MockStackTrace("Exception text").toString());
   test("defaults", () {
     var message = "I am a message";
     var loggerName = "my.logger";
-    var time = DateTime.parse("2012-02-27 13:27:00.123456z");
-    var logRecord = new LogRecord(Level.INFO, message, loggerName, time);
+    //var time = DateTime.parse("2012-02-27 13:27:00.123456z");
+    var time = new DateTime.now();
+    var formatter = new DateFormat('yyyy-MM-dd');
+    var logRecord = new LogRecord(Level.INFO, message, loggerName);
     
     var impl = new StringTransformer();
     expect(impl.transform(logRecord),
-        equals("2012-02-27 13:27:00.123Z\tmy.logger\t[INFO]:\tI am a message"));
+        contains("\tmy.logger\t[INFO]:\tI am a message"));
+    expect(impl.transform(logRecord),
+        startsWith(formatter.format(time)));
   });
   
   test("defaults with exception", () {
     var message = "I am a message";
     var loggerName = "my.logger";
-    var time = DateTime.parse("2012-02-27 13:27:00.123456z");
+    //var time = DateTime.parse("2012-02-27 13:27:00.123456z");
+    var time = new DateTime.now();
+    var formatter = new DateFormat('yyyy-MM-dd');
     var exception = new Exception("I am an exception");
     var logRecord = new LogRecord(Level.INFO, 
         message, 
         loggerName, 
-        time, 
         exception,
-        "Exception text");
+        new MockStackTrace("Exception text"));
     
     var impl = new StringTransformer();
     expect(impl.transform(logRecord),
-        equals("2012-02-27 13:27:00.123Z\tmy.logger\t[INFO]:\tI am a message\nException text\nException: I am an exception"));
+        contains("\tmy.logger\t[INFO]:\tI am a message\nException text\nException: I am an exception"));
+    expect(impl.transform(logRecord),
+        startsWith(formatter.format(time)));
   });  
   
   test("custom formats", () {
     var message = "I am a message";
     var loggerName = "my.logger";
-    var time = DateTime.parse("2012-02-27 13:27:00.123456z");
+    //var time = DateTime.parse("2012-02-27 13:27:00.123456z");
+    var time = new DateTime.now();
+    var formatter = new DateFormat('dd-MM-yyyy');
     var exception = new Exception("I am an exception");
     var logRecordNoException = new LogRecord(Level.FINEST, 
         message, 
-        loggerName,
-        time);
+        loggerName);
     var logRecordWithException = new LogRecord(Level.FINEST, 
         message, 
         loggerName, 
-        time, 
         exception,
-        "Exception text");
+        new MockStackTrace("Exception text"));
     
     var impl = new StringTransformer(messageFormat: "%s %t %n[%p]: %m", exceptionFormatSuffix: " %e %x", timestampFormat: "dd-MM-yyyy");
     // Note - this prints the exception message with a sequence number.
@@ -81,9 +93,9 @@ runStringTransformerTests() {
     // relation to other tests.  For that reason, we'll check that the logged
     // output "contains" the expected string without the sequence number prefix 
     expect(impl.transform(logRecordNoException),
-        contains(" 27-02-2012 my.logger[FINEST]: I am a message"));
+        contains(" ${formatter.format(time)} my.logger[FINEST]: I am a message"));
     expect(impl.transform(logRecordWithException),
-        contains(" 27-02-2012 my.logger[FINEST]: I am a message Exception text Exception: I am an exception"));
+        contains(" ${formatter.format(time)} my.logger[FINEST]: I am a message Exception text Exception: I am an exception"));
     
   });  
 }
@@ -92,20 +104,19 @@ runMapTransformerTests() {
   test("defaults", () {
     var message = "I am a message";
     var loggerName = "my.logger";
-    var time = DateTime.parse("2012-02-27 13:27:00.123456z");
-    var logRecord = new LogRecord(Level.INFO, message, loggerName, time);
+    var logRecord = new LogRecord(Level.INFO, message, loggerName);
     
     var impl = new MapTransformer();
     var map = impl.transform(logRecord); // convert the logRecord to a map    
-    String json = stringify(map); // convert the map to json with dart:json
-    Map map2 = parse(json); // convert the json back to a map
+    String json = JSON.encode(map); // convert the map to json with dart:convert
+    Map map2 = JSON.decode(json); // convert the json back to a map
     
     expect(map2["message"], equals(logRecord.message));
     expect(map2["loggerName"], equals(logRecord.loggerName));
     expect(map2["level"], equals(logRecord.level.name));
     expect(map2["sequenceNumber"], equals(logRecord.sequenceNumber));
-    expect(map2["exceptionText"], isNull);
-    expect(map2["exception"], isNull);
+    expect(map2["stackTrace"], isNull);
+    expect(map2["error"], isNull);
     expect(map2["time"], equals(logRecord.time.toString()));
     
   });
@@ -113,26 +124,24 @@ runMapTransformerTests() {
   test("defaults with exception", () {
     var message = "I am a message";
     var loggerName = "my.logger";
-    var time = DateTime.parse("2012-02-27 13:27:00.123456z");
     var exception = new Exception("I am an exception");
     var logRecord = new LogRecord(Level.INFO, 
         message, 
         loggerName, 
-        time, 
         exception,
-        "Exception text");
+        new MockStackTrace("Exception text"));
     
     var impl = new MapTransformer();
     var map = impl.transform(logRecord); // convert the logRecord to a map    
-    String json = stringify(map); // convert the map to json with dart:json
-    Map map2 = parse(json); // convert the json back to a map
+    String json = JSON.encode(map); // convert the map to json with dart:convert
+    Map map2 = JSON.decode(json); // convert the json back to a map
     
     expect(map2["message"], equals(logRecord.message));
     expect(map2["loggerName"], equals(logRecord.loggerName));
     expect(map2["level"], equals(logRecord.level.name));
     expect(map2["sequenceNumber"], equals(logRecord.sequenceNumber));
-    expect(map2["exceptionText"], equals(logRecord.exceptionText));
-    expect(map2["exception"], equals(logRecord.exception.toString()));
+    expect(map2["stackTrace"], equals(logRecord.stackTrace.toString()));
+    expect(map2["error"], equals(logRecord.error.toString()));
     expect(map2["time"], equals(logRecord.time.toString()));
   });  
 }
\ No newline at end of file