Move #include <algorithm>

[colonelsammy]

algorithm is needed in tbc_text_format.h (for std::min)

The following minimal example failed to compile (VS2013 update 5):

#define CLARA_CONFIG_MAIN
#include <clara.h>

int main(int argc, char* argv[])
{
    return 0;
}

[mloskot]

:+1: The issue and the fix confirmed with VS2015 Update 1.

[colonelsammy]

I see you did this so I've closed this pull request...