20200205 - v2.2.5

• More safe to start a terminal.

• exit when starting terminal failed with -pos=curwin.

• new: -program=wsl to run command in wsl (windows 10 only):

    :AsyncRun -program=wsl ls -la
    :AsyncRun -program=wsl -dist=debian ls -la
  

• new: -pos=curwin to open terminal in current window:

    :AsyncRun -mode=term -pos=curwin {command}