Recommend using ~/.bash_profile and ~/.zprofile.
Use a special ./configure option for homebrew.
Also install openssl and readline via homebrew.
Use `mkdir -p` and `cp` instead of `install` (issue #64).
Version bump to 0.3.2.
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Version bump to 0.3.2.
  Use `mkdir -p` and `cp` instead of `install` (issue #64).
  Also install openssl and readline via homebrew.
  Use a special ./configure option for homebrew.
  Recommend using ~/.bash_profile and ~/.zprofile.