Add `into_vec` method to Script

Cargo.toml

@@ -1,7 +1,7 @@
 
 [package]
 name = "bitcoin"
-version = "0.5.9"
+version = "0.5.10"
 authors = ["Andrew Poelstra <apoelstra@wpsoftware.net>"]
 license = "CC0-1.0"
 homepage = "https://github.com/apoelstra/rust-bitcoin/"

src/blockdata/script.rs

@@ -1874,6 +1874,9 @@ impl Script {
     /// Whether the script is the empty script
     pub fn is_empty(&self) -> bool { self.0.is_empty() }
 
+    /// Convert the script into a byte vector
+    pub fn into_vec(self) -> Vec<u8> { self.0.into_vec() }
+
     /// Trace a script
     pub fn trace<'a>(&'a self, secp: &Secp256k1, stack: &mut Vec<MaybeOwned<'a>>,
                      input_context: Option<(&Transaction, usize)>)