Creating new directories did not work.

When using write() or rename() no new directories have been created, if __construct(..., ..., false) was given.

Seemed to be typo, because all calls to ensureDirectoryExists give a value for $create. Because of this, the default value was removed.
Merge pull request #261 from h4cc/master

PhpseclibSftp: Creating new directories did not fully work.