v0.4.2: - memoryIO.py allow loading of dataset in shared memory, compatible w…

…ith multiprocessing iteration

- version 0.4.2

v0.4.1: - ordered_enqueuer_cf.py : use semaphore instead of queue and modifie…

…d pool shutdown

v0.4.0

v0.4.0

v0.3.9

added hard sample mining

initial version

v_01

minor edits