Update yaserde to 0.8 and handle namespace

Cargo.toml

@@ -13,9 +13,10 @@ repository = "https://github.com/openrr/urdf-rs"
 [dependencies]
 once_cell = "1"
 regex = "1.4.2"
-yaserde = "0.7.0"
-yaserde_derive = "0.7.0"
 thiserror = "1.0.7"
+xml-rs = "0.8.3"
+yaserde = "0.8"
+yaserde_derive = "0.8"
 
 [dev-dependencies]
 assert_approx_eq = "1"

src/deserialize.rs

@@ -1,6 +1,5 @@
-use yaserde::xml;
-use yaserde::xml::attribute::OwnedAttribute;
-use yaserde::xml::namespace::Namespace;
+use xml::attribute::OwnedAttribute;
+use xml::namespace::Namespace;
 use yaserde::{YaDeserialize, YaSerialize};
 use yaserde_derive::{YaDeserialize, YaSerialize};
 
@@ -503,7 +502,7 @@ pub struct Dynamics {
 
 /// Top level struct to access urdf.
 #[derive(Debug, YaDeserialize, YaSerialize, Clone)]
-#[yaserde(rename = "robot")]
+#[yaserde(rename = "robot", namespace = "http://www.ros.org")]
 pub struct Robot {
     #[yaserde(attribute)]
     pub name: String,

src/funcs.rs

@@ -172,7 +172,7 @@ mod tests {
     #[test]
     fn deserialization() {
         let s = r#"
-            <robot name="robot">
+            <robot name="robot" xmlns="http://www.ros.org">
                 <material name="blue">
                   <color rgba="0.0 0.0 0.8 1.0"/>
                 </material>