Release v0.5.7 contains the following changes:
- Tidy up of debug messages in the memory driver test app. - 87b7c1f
- Add EPOLLET flag when adding fd to epoll to support upstream driver - 1b77a52
- Correct calculations of available slab space in qae_mem_utils.c - 505ea39
- Tidy up parsing for LimitDevAccess setting - fa84902
- Documentation update for release of OpenSSL_1_1_0 - 9f12173