Compile failure on Mac platform

[cschol]

Compile failure on Mac platform:

src/Splirge.cpp:47:24: error: implicit instantiation of undefined template 'std::__1::array<float, 4>'
                std::array<float, 4> splitVoltages;
                                     ^
/home/cschol/src/osxcross/target/bin/../SDK/MacOSX10.13.sdk/usr/include/c++/v1/__tuple:223:64: note: template is declared here
template <class _Tp, size_t _Size> struct _LIBCPP_TEMPLATE_VIS array;
                                                               ^
src/Splirge.cpp:64:24: error: implicit instantiation of undefined template 'std::__1::array<float, 4>'
                std::array<float, 4> mergedVoltages;
                                     ^
/home/cschol/src/osxcross/target/bin/../SDK/MacOSX10.13.sdk/usr/include/c++/v1/__tuple:223:64: note: template is declared here
template <class _Tp, size_t _Size> struct _LIBCPP_TEMPLATE_VIS array;

You are missing an explicit

#include <array>

at the top of the file. This is required for Mac platform only.