Session Commands Implementation

Implements Set Session Privilege Command and Close Session
command.

Change-Id: I18aeee7bcae48db3eb8a61292c9333ca2304dcf1
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/sessions_manager.hpp b/sessions_manager.hpp
index 71bb7e4..8b9a76c 100644
--- a/sessions_manager.hpp
+++ b/sessions_manager.hpp
@@ -60,8 +60,10 @@
          *
          * @param[in] bmcSessionID - BMC Session ID
          *
+         * @return true on success and failure if session ID is invalid
+         *
          */
-        void stopSession(SessionID bmcSessionID);
+        bool stopSession(SessionID bmcSessionID);
 
         /*
          * @brief Get Session Handle