Two more functions for LUA math module
math.diag(x1[, ...])  returns the diagonal of an n-dimensional box
math.clamp(x, min, max)
Merge branch 'develop' of git://github.com/spring/spring.git into DnW
Refactor extra math function out of LUA source
Merge pull request #76 from DeadnightWarrior/DnW

Two more functions for LUA math module