Base62 Encoding C# implementation.
Encodes byte array to base62 string.
Decodes base62 string to byte array.
void Encode()
{
string s = (new byte[] { 116, 32, 8, 99, 100, 232, 4, 7 }).ToBase62();
}
void Decode()
{
byte[] b = "T208OsJe107".FromBase62();
}