Merge branch 'master' of https://github.com/wbhart/mpir
update windows builds for GMP sqr_basecase change
Merge branch 'master' of https://github.com/wbhart/mpir
Merge branch 'master' of https://github.com/wbhart/mpir
1. add revised core 2 assembler to the Windows build
2. add revised nehalem tuning on Windows
3. fix bug in speed on Windows x64