Adjusted signature of DirExec module functions.
Adjusted signature of DirExec module functions.

  - added parameter for function which executes the selected program
  - renamed dirExecPromptWithName to dirExecPromptNamed

0/xmonad-contrib,ohlus/xmonad-contrib,CaptainPatate/xmonad-contrib,ohlus/xmonad-contrib,ohlus/xmonad-contrib,f1u77y/xmonad-contrib,mathstuf/xmonad-contrib,mathstuf/xmonad-contrib,pjones/xmonad-test,xmonad/xmonad-contrib,0/xmonad-contrib,CaptainPatate/xmonad-contrib,f1u77y/xmonad-contrib,xmonad/xmonad-contrib,mathstuf/xmonad-contrib,0/xmonad-contrib,CaptainPatate/xmonad-contrib