Release 1.4.2 - 26.03.2021

NEW FEATURES
- Automated Tests: enhanced testing framework, easier to write tests,
  added performance tests with graphical comparison (issue #387).
- Modules: added cycle time (run() function execution time) and
  per-input throughput statistics (issue #387).
- SDK stats.hpp: new statistics class to easily add statistics
  about execution times and throughputs to code (issue #387).

BUG FIXES
- export_csv: improved performance of CSV text file output (issue #387).
- eDVS: disabled device auto-discovery on Linux/MacOS, unreliable and slow
  in the presence of other USB serial devices, was already disabled on
  Windows (issue #392).