= Gemini: Gem Initialization Helper

Simple gem methods.

Example:
  require 'gemini'

  Gemini.installed?('passenger','2.0.0')
  => true

  Gemini.find('passenger')
  => all gemspecs with name 'passenger'

  Gemini.find('passenger',version_requiremens)
  => all gemspecs with name 'passenger' that match the requirments