version of dlib.

routines so they return both the MSE and R-squared values rather than just the
MSE.

 - Changed the behavior of spatially_filter_image().  Now it won't truncate signed pixel values
   to 0 if they go negative.

as a matrix rather than C-array.  I also fixed a bug which showed up when using
non-square filters.  The bug would cause the edges of the output image to be incorrect.

from 128 bytes to 256 bytes.

loss from a false alarm vs. a missed detection.

object detection tools.

statements, and other cruft.

gcc.  It wasn't tokenizing double quoted strings right.

characters to take advantage of the fact that you can just write
the contents of memory out in this case.

even when compiling with unicode strings enabled.