Added exs8.
Added flw2qe and flw2qs to pycalfem.
Added statcon to pycalfem.
Added mesh directory.
Added beam3s to pycalfem.
Added beam3e to pycalfem.
Added beam2d to pycalfem.
Fixed bug in beam2g and added beam2gs in pycalfem
Added beam2w, beam2ws and beam2g to pycalfem.