Questions

Hello, First I think domjudge is amazing, i like it and i want congratulations for your work I have a few questions, 1- Version 5.2.0, do you know when will be stable. 2-Can i include another files in the problem, for example i have a main file .c and this main file has a file fichero.h to include data in file main or another file with functions to include in main file to use. 3- Can I upload and submmit more than one exercise at the same time, for example i have two exercises A and B. 4- the same that point 3 but in the jury system execute more than one exercise at the same time. Thanks kind regards.