Merge pull request #120 from fix8/dev

Dev To Master 1.3.1
Modified clock_gettime realization for Windows.

Now it supports CLOCK_REALTIME (first parameter should be zero) based on GetSystemTimeAsFileTime()
and hr timer (first parameter should NOT be zero) based on QueryPerformanceCounter.
Merge pull request #122 from antonam000/master

Modified clock_gettime realization for Windows.
Merge pull request #123 from fix8/master

Windows clock issue