changed all on_press to on_release, feels better.
added module to generate tasks
generated tasks are display on the gameScreen
adjusted range of random ints to be generated, shuffled the two values to get more variance
adjusted name of the categories in the addChooser section
taskCreator generates random answers
max_rounds for now are 10, buttons show possible answers
answers are now sorted, so that the user can find the answer he has on mind much quicker
removed two unneeded variables
Fixed that the answers are sorted, now after solving a task a new one is generated. Wrong answers increment the error counter
fixed that error counter was not shown on update
round number is set
after the max number of rounds, the score screen appear