hotfix issue 21

#21

Author: umkaline

lib/actions/write.js

@@ -17,7 +17,7 @@ let rowCount = 0;
 exports.init = function init(cfg) {
     return co(function* gen() {
 
-        const delimiter = cfg.writer.delimiter || ',';
+        const delimiter = cfg.writer.separator || ',';
         console.log('Using delimiter: \'%s\'', delimiter);
         const options = {
             header: true,