numeric : Added SmoothClamp & swap
camera : fixed target&up issues and added screen-scale factor.
touky_demo : correct camera integration & first pass on uro refactor. Also added Makefile to vcproj

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MeshViewer : Camera update and small object tweak.
             ortho to perspective transition is now perfect.

to get M_PI from the platform headers and cast it to float.

compiler bugs in the Xcode toolchain.

positive values, and add a unit test for rand<int>.

static method that we can do without.

Because goldfishes have no memory.

required declarations for real free functions.

instead of "vec2 * float".

compilation time for very little benefit and maybe even confusion.

to the RGB to HSV conversion.

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TODO : second pass on coding-style, and some tweak & usage modification.

subtelties to avoid polluting Doxygen.

them after use, and refactor them so that free functions such as
fmod() or clamp() are directly accessible in the lol namespace.