Having a chance to read a relatively compact yet complex and well structured bit of C is a great resource for beginners to learn from an expert. So thanks a lot for creating and open-sourcing the code.
Could you recommend a good resource to learn modern style, multi-threaded and safe C? I've got K&R but that doesn't have the paradigms and approaches that I think would actually be used these days - or should I just go to kernel.org and start reading

On the pool, it's great to give another option for miners to choose from. As smaller miners find that it's not economic to mine with low volatility, perhaps embracing the high volatility and having a lottery ticket option can give a good reason for some of these guys to keep going.
Good luck - I hope someone finds a block or two on the pool soon.