Made shtest.lua executable and added shebang.
Made shtest.lua executable and added shebang.

simoncozens/lunamark,simoncozens/lunamark,jgm/lunamark,tst2005/lunamark,tst2005/lunamark,tst2005/lunamark,jgm/lunamark,jgm/lunamark,simoncozens/lunamark