Added struct functions to make them simple to call

xmlrpc/Makefile

@@ -11,5 +11,6 @@ GOFILES=\
     response.go\
     http.go\
     param.go\
+    struct.go\
 
 include $(GOROOT)/src/Make.pkg

xmlrpc/struct.go

@@ -0,0 +1,27 @@
+package xmlrpc
+
+import (
+	"time"
+)
+
+func (st StructValue) GetInt(s string) int { return int(st[s].(IntValue)) }
+
+func (st StructValue) GetString(s string) string {
+	return string(st[s].(StringValue))
+}
+
+func (st StructValue) GetDouble(s string) float {
+	return float(st[s].(DoubleValue))
+}
+
+func (st StructValue) GetTime(s string) time.Time {
+	return time.Time(st[s].(DateTimeValue))
+}
+
+func (st StructValue) GetBoolean(s string) bool {
+	return bool(st[s].(BooleanValue))
+}
+
+func (st StructValue) GetBytes(s string) []byte {
+	return []byte(st[s].(Base64Value))
+}