- BaseParser: added possibility to read from TextStream and WTextStream
- HTMLParser: added filter(const WTextStream & in, Stream & out, ...) method
- added utf8_stream.h with one method:
template<typename StreamIteratorType>
size_t utf8_to_int(
StreamIteratorType & iterator_in,
StreamIteratorType & iterator_end,
int & res,
bool & correct)