BUG: 2>&1 extra 'id' command for 'zsh fc -l -1' workaround
BUG: readline config should only load w/ bash
DOC,BLD: README.rst, bootstrap_dotfiles.sh -G -C -d, make test_build
TST,BUG,CLN: make compare_installed.py write to tempfile.mkdtemp and .rmtree
in tearDown, PEP8
TST,BUG,DOC,CLN: compare_installed.py tests