Restore HEAD and DELETE

Also, remove OPTIONS, TRACE, and PATCH from lib.rs.

src/agent.rs

@@ -133,6 +133,11 @@ impl Agent {
         self.request("GET", path)
     }
 
+    /// Make a HEAD request from this agent.
+    pub fn head(&self, path: &str) -> Request {
+        self.request("HEAD", path)
+    }
+
     /// Make a POST request from this agent.
     pub fn post(&self, path: &str) -> Request {
         self.request("POST", path)
@@ -142,6 +147,11 @@ impl Agent {
     pub fn put(&self, path: &str) -> Request {
         self.request("PUT", path)
     }
+
+    /// Make a DELETE request from this agent.
+    pub fn delete(&self, path: &str) -> Request {
+        self.request("DELETE", path)
+    }
 }
 
 const DEFAULT_MAX_IDLE_CONNECTIONS: usize = 100;

src/lib.rs

@@ -182,21 +182,6 @@ pub fn delete(path: &str) -> Request {
     request("DELETE", path)
 }
 
-/// Make a TRACE request.
-pub fn trace(path: &str) -> Request {
-    request("TRACE", path)
-}
-
-/// Make an OPTIONS request.
-pub fn options(path: &str) -> Request {
-    request("OPTIONS", path)
-}
-
-/// Make an PATCH request.
-pub fn patch(path: &str) -> Request {
-    request("PATCH", path)
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;