add macro BE_LOG(msg)

use it in obj who have m_logDebug member, and "invoke" it as:
BE_LOG( "str1" << "str2" );

and like:
if (xxx==yyy) {BE_LOG("zzz");}
or like (not tried)
if (xxx==yyy) BE_LOG("zzz") // without the ";"
make TODO not executable