0.3.8 with Windows support and some speed optimizations

• Windows support (using Mingw)
• Some speed optimizations

0.3.7 with Mac OS X AVX/AVX2 support

No other updates except Mac OS X AVX/AVX2 support

v0.3.6 with autoAVX update

Xenoncat support (mining with AVX/AVX2 automatic detection support if you have Intel processor)
During cmake phase, just say -DXENON=1 (both AVX/AVX2 implementations will be included and picked in runtime )

0.3.5 version with xenoncat support

Xenoncat support (mining with AVX/AVX2 support if you have Intel processor)
During cmake phase, just say -DXENON=2 or -DXENON=1 depending which AVX/AVX2 implementation you have.

0.3.4 version with static compile options

v0.3.4

Update readme with instructions