Merge pull request #38 from Aaron1011/remove-semi

Remove trailing semicolon from err! macro

Author: webdesus

src/lib.rs

@@ -1,6 +1,6 @@
 macro_rules! err {
     ($text:expr, $kind:expr) => {
-        return Err(Error::new($kind, $text));
+        return Err(Error::new($kind, $text))
     };
 
     ($text:expr) => {