Turn missing documentation into a warning.

tomprince · tomprince · commit 0a6c7076544d · 2017-01-26T14:50:28.000-07:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -1,4 +1,4 @@
-#![deny(missing_docs)]
+#![warn(missing_docs)]
 
 //! MPD client for Rust
 //!
