UMA_CHAT : Updated "UMA_CHAT" application.

Introduced processing of received HELLO messages.
UMA_CHAT : Updated "UMA_CHAT" application.

Connection data inserted into a list. Duplicates not yet removed.
UMA_CHAT : Updated "UMA_CHAT" application.

Before inserting any newly received data, check if not already present
in the list.
UMA_CHAT : Updated "UMA_CHAT" application.

Introduced data structure for storage of both connection data and
timestamp data.
UMA_CHAT : Updated "UMA_CHAT" application.

Insert connection data if not present in the list. Else, update its
timestamp data.
UMA_CHAT : Updated "UMA_CHAT" application.

Introduced connection data list update.
UMA_CHAT : Updated "UMA_CHAT" application.

Updated connection data update functionality.
UMA_CHAT : Updated "UMA_CHAT" application.

Use of variables to store the time values used to update the connection
data list and HELLO message transmission.
UMA_CHAT : Updated "UMA_CHAT" application.

Parameter values read from configuration file.