Vyššie na [Platon] / cpdf

Added hex() und strlento() functions.
Added parse.h to repository.
Added filter() function.
Linking to zlib dynamicaly.

#ifndef PARSE_H
#define PARSE_H
struct dictionary {
    int type;
    int subtype;
    int objnum;
    int lenght;
    (void *(*filter)) (int,uint8_t *,unsigned long,void *,unsigned long)
    char *stream;
};
#endif