* Analysis: Tanya - done - 35m [[BR]]
  * Review: 2 by Pap(15m). I don't understand how adding diagrams in PRO_LIB_CORE_TUTORIAL is related to this task. The overview is a bit messy. It is an unstructured version of the requirements. Describe the task better.
 * Analysis2: Tanya - done - 15m
 * Design: [[BR]]
 * Implementation: [[BR]]
 * Testing:[[BR]]