0.5.1

Merge pull request #62 from cgrinds/osx-get_running_shell

Detect fish on OSX when login shell is bash

[version] 0.4.1 cc @cmbankester

Bump version

Merge pull request #39 from ericem/bash-completion

Add BASH completion

bump version to 0.1.2

Merge pull request #5 from rnewton/master

Support for fish shell