Stop creating symlinks w/ version suffix if `altinstall` has specified (#182, #255)
Stop creating symlinks w/ version suffix if `altinstall` has specified (#182, #255)

chenfengyuan/pyenv,sebhahn/pyenv,UCASREN/pyenv,lozybean/pyenv,genome-vendor/pyenv,takluyver/pyenv,syndbg/goenv,syndbg/goenv,dnsd/pyenv,recruit-mtl/pyenv,xshwy/pyenv,UCASREN/pyenv,yyuu/pyenv,genome-vendor/pyenv,chenfengyuan/pyenv,sebhahn/pyenv,cehoffman/pyenv,recruit-mtl/pyenv,hlecuanda/pyenv,pyenv/pyenv,obimod/pyenv,BanzaiMan/pyenv,lozybean/pyenv,yyuu/pyenv,fly19890211/pyenv,pyenv/pyenv,habinmusic/pyenv,lepture/pyenv,kevinburke/pyenv,xshwy/pyenv,syndbg/goenv,habinmusic/pyenv,dongguangming/pyenv,dongguangming/pyenv,yeonsh/pyenv,rowhit/pyenv,dnsd/pyenv,rowhit/pyenv,cehoffman/pyenv,pyenv/pyenv,zmwangx/pyenv,lepture/pyenv,zmwangx/pyenv,VShangxiao/pyenv,takluyver/pyenv,hlecuanda/pyenv,fly19890211/pyenv,BanzaiMan/pyenv,sebhahn/pyenv,yeonsh/pyenv,kevinburke/pyenv,obimod/pyenv,syndbg/goenv,VShangxiao/pyenv