Beans v0.3.3.

Issue description

In a folder that doesn't contain .beans/, beans version outputs an error and its usage info, but not the version.

Steps to reproduce the issue

In a folder which contains no .beans/ subfolder, and whose parent doesn't, either, run beans version.

What's the expected result?

The tool should output its version string.

What's the actual result?

Error: no .beans directory found at /Users/czottmann/Desktop/.beans (run 'beans init' to create one)
Usage:
  beans version [flags]

Flags:
  -h, --help   help for version

Global Flags:
      --beans-path string   Path to data directory (overrides config)
      --config string       Path to config file (default: searches upward for .beans.yml)