* Changed TabletObject::count() to return the result.
* Updated TabletObject class to add an error parameter into all methods.
* Added Error::*DetailCode() and *DetailMessage().
* Updated TabletSQLite class to set detail error code and message.
* Updated LocalNode::getName() to connect the ipaddress and port using '-' instead of ':'.
* Moved ServerNode::restart() to LocalNode class.
* Fixed ServerNode class not to other node's tablet files.