Build errors with gcc 4.9.2

[tower120]

I'm using Qt creator suite for windows standard build with mingw gcc 4.9.2 (from developer site).
When I try to build your cmake, or include Steams.h to my own project I getting following errors (same from your cmake, and my project):

gcc 4.9.2 support c++14 standard.

[vbeffara]

See #12 I believe it solves that exact problem