title: Laravel: composer update error
body: <p>When I run composer update, I get the following error:</p>
  
  <pre><code>Your requirements could not be resolved to an installable set of packages.
  </code></pre>
  
  <p>Below you can find a detailed description of the problem/output</p>
  
  <pre><code>  Problem 1
      - Conclusion: don't install laravel/framework v4.2.17
      - Conclusion: remove laravel/framework v4.2.16
      - Conclusion: don't install laravel/framework v4.2.16
      - Conclusion: don't install laravel/framework v4.2.15
      - Conclusion: don't install laravel/framework v4.2.14
      - Conclusion: don't install laravel/framework v4.2.13
      - Conclusion: don't install laravel/framework v4.2.12
      - Conclusion: don't install laravel/framework v4.2.11
      - Conclusion: don't install laravel/framework v4.2.10
      - Conclusion: don't install laravel/framework v4.2.9
      - Conclusion: don't install laravel/framework v4.2.8
      - Conclusion: don't install laravel/framework v4.2.7
      - Conclusion: don't install laravel/framework v4.2.6
      - Conclusion: don't install laravel/framework v4.2.5
      - Conclusion: don't install laravel/framework v4.2.4
      - Conclusion: don't install laravel/framework v4.2.3
      - Conclusion: don't install laravel/framework v4.2.2
      - Conclusion: don't install laravel/framework v4.2.1
      - torann/geoip dev-master requires illuminate/support ~5.0 -&gt; satisfiable by illuminate/support[v5.0.0, v5.0.4].
      - torann/geoip dev-master requires illuminate/support ~5.0 -&gt; satisfiable by illuminate/support[v5.0.0, v5.0.4].
      - don't install laravel/framework v4.2.0|don't install illuminate/support v5.0.0
      - don't install laravel/framework v4.2.0|don't install illuminate/support v5.0.4
      - Installation request for laravel/framework 4.2.* -&gt; satisfiable by laravel/framework[v4.2.0, v4.2.1, v4.2.10, v4.2.11, v4.2.12, v4.2.13, v4.2.14, v4.2.15, v4.2.16, v4.2.17, v4.2.2, v4.2.3, v4.2.4, v4.2.5, v4.2.6, v4.2.7, v4.2.8, v4.2.9].
      - Installation request for torann/geoip dev-master -&gt; satisfiable by torann/geoip[dev-master].
  </code></pre>
  
  <p>It is not clear to me what I should do to fix this? Should I downgrade laravel? I'm currently at 4.2.16</p>