`dvm use` where `.dvmrc` requires a non-installed version - help is shown but no error is reported

[paul-thompson-helix]

Setup:

• Create .dvmrc file with a version that isn't installed yet: echo v1.8.0 > .dvmrc
• Run dvm use

Expected: An error eg: 1.8.0 is not installed yet - please install using dvm install

Actual: dvm help is shown.

[ghosind]

Hi Paul,

Thank you for your reporting, I'll fix this bug and publish a new version.