Added place_id to GoogleAddress (#52)

Author: jaxuk

Google/GoogleAddress.cs

@@ -10,8 +10,9 @@ public class GoogleAddress : Address
 		readonly GoogleAddressComponent[] components;
 		readonly bool isPartialMatch;
 		readonly GoogleViewport viewport;
+        readonly string place_id;
 
-		public GoogleAddressType Type
+        public GoogleAddressType Type
 		{
 			get { return type; }
 		}
@@ -42,7 +43,7 @@ public GoogleAddressComponent this[GoogleAddressType type]
 		}
 
 	    public GoogleAddress(GoogleAddressType type, string formattedAddress, GoogleAddressComponent[] components,
-	        Location coordinates, GoogleViewport viewport, bool isPartialMatch, GoogleLocationType locationType)
+	        Location coordinates, GoogleViewport viewport, bool isPartialMatch, GoogleLocationType locationType, string place_id)
 	        : base(formattedAddress, coordinates, "Google")
 	    {
 	        if (components == null)
@@ -53,6 +54,7 @@ public GoogleAddress(GoogleAddressType type, string formattedAddress, GoogleAddr
 	        this.isPartialMatch = isPartialMatch;
 	        this.viewport = viewport;
 	        this.locationType = locationType;
-	    }
+            this.place_id = place_id;
+        }
 	}
 }

Google/GoogleGeocoder.cs

@@ -353,7 +353,8 @@ private IEnumerable<GoogleAddress> ParseAddresses(XPathNodeIterator nodes)
 				XPathNavigator nav = nodes.Current;
 
 				GoogleAddressType type = EvaluateType((string)nav.Evaluate("string(type)"));
-				string formattedAddress = (string)nav.Evaluate("string(formatted_address)");
+                string place_id = (string)nav.Evaluate("string(place_id)");
+                string formattedAddress = (string)nav.Evaluate("string(formatted_address)");
 
 				var components = ParseComponents(nav.Select("address_component")).ToArray();
 
@@ -376,7 +377,7 @@ private IEnumerable<GoogleAddress> ParseAddresses(XPathNodeIterator nodes)
 				bool isPartialMatch;
 				bool.TryParse((string)nav.Evaluate("string(partial_match)"), out isPartialMatch);
 
-				yield return new GoogleAddress(type, formattedAddress, components, coordinates, viewport, isPartialMatch, locationType);
+				yield return new GoogleAddress(type, formattedAddress, components, coordinates, viewport, isPartialMatch, locationType, place_id);
 			}
 		}