nagisml

fix the handling of none existign TB data in my fork and also added some TB feature. https://github.com/nagisml/pycaching/tree/master/pycaching Sure in not the best coding quality but it seems to work...

Hi Accoring to https://en.wikipedia.org/wiki/Order_of_operations the following order has to be applied: exponents and roots multiplication and division addition and subtraction It means that 50 - 2 ^ 5 - 5...