add support for opening new windows
add support for opening new windows

fanglingsu/vimprobable,ThomasAdam/vimprobable,desyncr/vimprobable,desyncr/vimprobable,DeadDork/vimprobable2,DeadDork/vimprobable2,ThomasAdam/vimprobable,hut/vimprobable,fanglingsu/vimprobable,fanglingsu/vimprobable,desyncr/vimprobable,DeadDork/vimprobable2,DeadDork/vimprobable2,ThomasAdam/vimprobable,hut/vimprobable,hut/vimprobable,desyncr/vimprobable