Hashing

// Taken from http://stackoverflow.com/questions/98153/whats-the-best-hashing-algorithm-to-use-on-a-stl-string-when-using-hash-map


unsigned int hash(const char* s, unsigned int seed = 0)
{
    unsigned int hash = seed;
    while (*s)
    {
        hash = hash * 101  +  *s++;
    }
    return hash;
}