Implemented setLastMod() (MFMT command)

Author: mligor

README.md

@@ -193,3 +193,7 @@ Methods
 * **lastMod**(< _string_ >path, < _function_ >callback) - _(void)_ - Retrieves the last modified date and time for `path`. `callback` has 2 parameters: < _Error_ >err, < _Date_ >lastModified.
 
 * **restart**(< _integer_ >byteOffset, < _function_ >callback) - _(void)_ - Sets the file byte offset for the next file transfer action (get/put) to `byteOffset`. `callback` has 1 parameter: < _Error_ >err.
+
+### Draft commands (draft-somers-ftp-mfxx-04)
+
+* **setLastMod**(< _string_ >path, < _Date_ >date, < _function_ >callback) - _(void)_ - Set modification time for `path`. `callback` has 1 parameter: < _Error_ >err.

lib/connection.js

@@ -357,6 +357,17 @@ FTP.prototype.delete = function(path, cb) {
   this._send('DELE ' + path, cb);
 };
 
+FTP.prototype.setLastMod = function(path, date, cb) {
+  var dateStr = 
+    date.getFullYear() +
+    ('00' + (date.getMonth() + 1)).slice(-2) +
+    ('00' + date.getDate()).slice(-2) +
+    ('00' + date.getHours()).slice(-2) +
+    ('00' + date.getMinutes()).slice(-2) +
+    ('00' + date.getSeconds()).slice(-2);
+  this._send('MFMT ' + dateStr + ' ' + path, cb); 
+}
+
 FTP.prototype.site = function(cmd, cb) {
   this._send('SITE ' + cmd, cb);
 };