+/**
+ * Init the http server.
+ *
+ * The simply http server call for each client request the default_callback function. The
+ * user should define this callback to manage the client request, i.e. reading site's page
+ * from SD card. The user can define the cgi_table, where associate one callback to the user string.
+ * In this way the user could filter some client request and redirect they to custom callback, i.e.
+ * the client could request status of the device only loading the particular page name.
+ *
+ * \param default_callback fuction that server call for all request, that does'nt match cgi table.
+ * \param table of callcack to call when client request a particular page.
+ */