void updateParams( ) {
auto beg = m_rawParams.cbegin( );
auto end = beg;
while( end != m_rawParams.cend( ) ) {
if( ( end == m_rawParams.cend( ) ) || ( *end == '&' ) ) {
// beg apunta a la variable.
// end apunta al final del valor.
auto sep = std::find( beg, end, '=' );
if( sep != end ) {
auto value = sep + 1;
if( value == end ) {
// El valor est? vac?o.
m_params[std::string( beg, sep )] = std::string( );
} else {
m_params[std::string( beg, sep )] = std::string( value, end );