Updated miners

Z-Enemy 1.18
https://bitcointalk.org/index.php?topic=3378390.0

- Major performance improvements: 10-15% for Xevan (+ fixed reduced hashrate issue from 1.17)
- Minor performance improvements for other algos
- Stability improvements for XDNA

CryptoDredge 0.9.1
https://github.com/technobyl/CryptoDredge/releases/

New CryptoNightHaven algorithm
Fix issue related to many rejected shares on NiceHash pool when used CryptoNight-like algorithms