title: Cannot load gem in IronRuby
body: <p>I already removed all environment variables and ruby/ironruby directories and reinstalled it from scratch. And then I installed mocha through igem. Here are my outputs.</p>
  
  <pre><code>$ ir
  IronRuby 0.9.1.0 on .NET 2.0.50727.3082
  Copyright (c) Microsoft Corporation. All rights reserved.
  
  &gt;&gt;&gt; require 'mocha'
  :0:in `require': no such file to load -- mocha (LoadError)
          from :0
  </code></pre>
  
  <p>Listing my installed gems. . .</p>
  
  <pre><code>$ igem list --local
  
  *** LOCAL GEMS ***
  
  mocha (0.9.8)
  rake (0.8.7)
  </code></pre>
  
  <p>This is my gem environment.</p>
  
  <pre><code>$ igem environment
  RubyGems Environment:
    - RUBYGEMS VERSION: 1.3.5
    - RUBY VERSION: 1.8.6 (2008-05-28 patchlevel 0) [i386-mswin32]
    - INSTALLATION DIRECTORY: C:/ironruby/lib/IronRuby/../..//lib/ironruby/gems/1.8
    - RUBY EXECUTABLE: C:/ironruby/lib/IronRuby/../..//bin/ir.exe
    - EXECUTABLE DIRECTORY: C:/ironruby/lib/IronRuby/../..//bin
    - RUBYGEMS PLATFORMS:
      - ruby
      - x86-mswin32-60
    - GEM PATHS:
       - C:/ironruby/lib/IronRuby/../..//lib/ironruby/gems/1.8
       - C:/Documents and Settings/vitalim/.gem/ironruby/1.8
    - GEM CONFIGURATION:
       - :update_sources =&gt; true
       - :verbose =&gt; true
       - :benchmark =&gt; false
       - :backtrace =&gt; false
       - :bulk_threshold =&gt; 1000
       - :sources =&gt; ["http://gems.rubyforge.org/", "http://gems.github.com"]
    - REMOTE SOURCES:
       - http://gems.rubyforge.org/
       - http://gems.github.com
  </code></pre>
  
  <p>Hope you can hep me with this :(</p>