This will discard the components that do not seem to belong to the user's. This results in more robustness because the depth field does not need to restrict to the user as other objects should be ignored.
Introduces this new file where many utility functions should be moved to, in order to have a cleaner source in skeltrack-skeleton.c .
It was looking for the head without taking into account any previous information about it. This meant that sometimes the head could be mistaken by e.g. a hand close to the chest if that hand/extrema was evaluated first. This adds the information about the head joint from the previous frame so it evaluates the extrema that is closer to that which results in a correction.
Specifically, "package" and "c:include" nodes.