Added SourcePool#current_real_load_source, which returns the source currently being loaded from or nil (i.e. it doesn't default to the anonymous source).
Added SourcePool#current_real_load_source, which returns the source currently being loaded from or nil (i.e. it doesn't default to the anonymous source).

victorklos/babushka,victorklos/babushka,victorklos/babushka