"space" tokenization correctly deal with sentences starting with spaces or with multiple space separators. fix #379 (#380)
"space" tokenization correctly deal with sentences starting with spaces or with multiple space separators. fix #379 (#380)


jsenellart/OpenNMT,OpenNMT/OpenNMT,jungikim/OpenNMT,jsenellart-systran/OpenNMT,jsenellart/OpenNMT,da03/OpenNMT,jungikim/OpenNMT,da03/OpenNMT,da03/OpenNMT,jsenellart/OpenNMT,jungikim/OpenNMT,jsenellart-systran/OpenNMT,OpenNMT/OpenNMT,OpenNMT/OpenNMT,jsenellart-systran/OpenNMT