Add shortcuts for PATCH (again)`

src/agent.rs

@@ -154,6 +154,11 @@ impl Agent {
         self.request("HEAD", path)
     }
 
+    /// Make a PATCH request from this agent.
+    pub fn patch(&self, path: &str) -> Request {
+        self.request("PATCH", path)
+    }
+
     /// Make a POST request from this agent.
     pub fn post(&self, path: &str) -> Request {
         self.request("POST", path)

src/lib.rs

@@ -401,6 +401,11 @@ pub fn head(path: &str) -> Request {
     request("HEAD", path)
 }
 
+/// Make a PATCH request.
+pub fn patch(path: &str) -> Request {
+    request("PATCH", path)
+}
+
 /// Make a POST request.
 pub fn post(path: &str) -> Request {
     request("POST", path)