Add support for options to ez_setup.py/get-pip.py (#200)
Add support for options to ez_setup.py/get-pip.py (#200)

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