0.3.0

• bug fixes and optimisations
• update libraries:
  • EDDL (rev. deephealthproject/eddl@7467cb6)
  • ECVL (rev. deephealthproject/ecvl@e873315)
  • PyEDDL (rev. https://github.com/deephealthproject/pyeddl/releases/tag/0.6.0)
  • PyECVL (rev. https://github.com/deephealthproject/pyecvl/tree/0.1.0)