Added fixes for installing on OS X Mavericks + instructions.
Added preprocessor guard to disable unsupported fenv shenanigans on OS X.
Fixed some warnings concerning C++ features.
Merge branch 'os-x-build'
Fixed minor bug and compiler warning.
Additional C++11 fixes.
Merge pull request #1 from orezpraw/eddie-fixes

OS X fixes, Removed C++11 warnings, fixed one bug