Merge pull request #47 from buntec/fix/attributes-module

fix bug in attributes module

Author: buntec

README.md

@@ -4,7 +4,7 @@ This project started as a straightforward clone of [Snabbdom](https://github.com
 Version 0.1.x stays close to the original, while 0.2.x departs from it in several ways, notably by making many things immutable.
 We are happy to fix bugs in the 0.1.x line within reason.
 
-```
+```scala
 libraryDependencies += "io.github.buntec" %%% "scala-js-snabbdom" % "x.y.z"
 ```
 

snabbdom/src/main/scala/snabbdom/modules/Attributes.scala

@@ -121,7 +121,7 @@ object Attributes {
             } else if (key.length > 5 && key.charAt(5) == ':') {
               elm.setAttributeNS(xlinkNS, key, value)
             } else {
-              elm.setAttribute(key, cur.toString)
+              elm.setAttribute(key, value)
             }
         }
       }