title: PHP Fatal error: Uncaught exception PharException with message manifest
body: <p>while trying to install  <code>composer.phar</code> through command line  , got an error </p>
  
  <pre><code> PHP Fatal error: Uncaught exception 'PharException' with message manifest cannot be larger than 100 mb in phar
  </code></pre>
  
  <p>please support me to solve this problem, i am trying to installing <code>symfony2.1</code></p>