fixed small quotation issue

Author: vicentebolea

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bash-templater",
-  "version": "0.0.1",
+  "version": "0.0.3",
   "description": "The most basic template engine",
   "scripts": [ "templater" ],
   "install": "make install"

templater

@@ -11,5 +11,5 @@ do
   do
     line=`sed "s@\@${keyword}\@@${!keyword}@g" <<<"$line"`
   done 
-  echo $line
+  echo "$line"
 done < /dev/stdin