Expose the ability to skip initial rows in CSV parser.

src/backend.csv.js

@@ -169,6 +169,9 @@ this.recline.Backend.CSV = this.recline.Backend.CSV || {};
     row.push(field);
     out.push(row);
 
+    // Expose the ability to discard initial rows
+    if (options.skipInitialRows) out = out.slice(options.skipInitialRows);
+
     return out;
   };