Exposed getter for protocolVersion in HttpHeaders. (#53)
* Exposed getter for protocolVersion in HttpHeaders.
diff --git a/lib/http_io.dart b/lib/http_io.dart
index 5429280..d2c313d 100644
--- a/lib/http_io.dart
+++ b/lib/http_io.dart
@@ -537,6 +537,11 @@
int port;
/**
+ * Gets the protocol version for the connection.
+ */
+ String get protocolVersion;
+
+ /**
* Gets and sets the content type. Note that the content type in the
* header will only be updated if this field is set
* directly. Mutating the returned current value will have no
