Initial checkin of v1.04 - KTX file format support, basic ETC1 compression/decompression, Linux makefile with proper gcc options, lots of high-level improvements to get crnlib into a state where I can more easily add additional formats.

crnlib/crn_rand.cpp

@@ -211,7 +211,7 @@ namespace crnlib
 
       return math::clamp<float>(r, l, h);
    }
-
+   
    int random::irand(int l, int h)
    {
       CRNLIB_ASSERT(l < h);
@@ -236,6 +236,12 @@ namespace crnlib
       return result;
    }
 
+   int random::irand_inclusive(int l, int h)
+   {
+      CRNLIB_ASSERT(h < cINT32_MAX);
+      return irand(l, h + 1);
+   }
+
    /*
       ALGORITHM 712, COLLECTED ALGORITHMS FROM ACM.
       THIS WORK PUBLISHED IN TRANSACTIONS ON MATHEMATICAL SOFTWARE,