add parser group for --make
--make exceptions
implement --make
let make work with --path
adapt bash completion for -m/--make (really --python only)
adapt zsh completion for -m/--make
adapt fish completion for -m/--make
functional test for --make
allow relatively specified --path with --make
autocreate virtualenvs directory from --make if nonexistent
helpful message when ve_base is not a directory
more helpful message when activating w/nonexistent ve_base
try to fix windows issue with virtualenv not on PATH
parse group for --remove
adapt zsh completion for -r/--remove
adapt fish completion for -r/--remove
exception for --remove
implementation for --remove
quick functional test for remove
let remove recognize virtualenvs from pypy