chruby 0.3.8

### 0.3.8 / 2013-12-04

#### chruby.sh

* Remove trailing slashes from ruby directories when iterating over `RUBIES`.
  (@halostatue)
* Ensure all temporary variables are local or unset.

#### auto.sh

* Ensure that `chruby_auto` can read `.ruby-version` files that do not end with
  a new-line. (@hosiawak)

#### scripts/setup.sh

* Install ruby-install 0.3.3.

#### scripts/bug_report.sh

* Print `$HOME`, `$RUBY_AUTO_VERSION`.
* Print `trap -p`, `$preexec_functions` and `$precmd_functions`.
* Print env variables even when they are empty.