all files in src/core converted to ASCII. #90
Merge commit 'c22460394875c8a2b1a9a0c8d377cc3bd46a2834'

* commit 'c22460394875c8a2b1a9a0c8d377cc3bd46a2834':
  Tests summary now shows the number of log files created.
  Small bug removed - summary did not count errors in the examples.
  CellularSpace() now verifies if parameters are the default values, showing warnings.