update pubspec/changelog for 0.1.4

Author: jakemac53

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.1.4
+- Added top level `serve` function.
+  - Just like `watch`, but it provides a server which blocks on any ongoing
+    builds before responding to requests.
+- Minor bug fixes.
+
 ## 0.1.3
 - Builds are now fully incremental, even on startup.
   - Builds will be invalidated if the build script or any of its dependencies

pubspec.yaml

@@ -1,5 +1,5 @@
 name: build
-version: 0.1.3
+version: 0.1.4
 description: A build system for Dart.
 author: Dart Team <[email protected]>
 homepage: https://github.com/dart-lang/build