0.4.2

• update libraries:
  • EDDL (rev. deephealthproject/eddl@02e37c0)
  • ECVL (rev. deephealthproject/ecvl@a44a89a)
  • PyEDDL (rev. deephealthproject/pyeddl@3fc95f7)
  • PyECVL (rev. deephealthproject/pyecvl@cae338b)