M3d v4 beta

​M3d version 4 beta release is available to download as a preview of whats to come. The major changes intended for the final release are:-
1) Thermal strains included
2) Body loads included
3) Spring elements added
4) 2d Axi-symetric solution to be added
5) Steady state thermal conduction solve  to be added
6) Multiple load sets
7) Multiple boundary sets
8) Multiple temperature sets
9) Multiple solutions
10) Multiple solution steps
11) The Advancing front tet mesher
12) Free face display
13) Free edge display