add ; to all props

Author: tj

examples/example.css

@@ -14,4 +14,7 @@ button
 
 @media print
   body
-    padding: 0
+    padding: 0
+  button
+    border-radius: 0
+    width: 100%

lib/compiler.js

@@ -38,7 +38,7 @@ module.exports = function(node){
   function block(node) {
     var props = node[1];
     ++indents;
-    var ret = props.map(visit).join(';\n');
+    var ret = props.map(visit).join('\n');
     --indents;
     return ret;
   }
@@ -50,7 +50,7 @@ module.exports = function(node){
   function prop(node) {
     var prop = node[1];
     var val = node[2];
-    return indent() + prop + ': ' + val;
+    return indent() + prop + ': ' + val + ';';
   }
 
   /**