title: github and composer. pulling repository branches
body: <p>Composer cannot find the branch I want to clone from in the respository supplied in my json file. the error I get is:</p>
  
  <pre><code> [UnexpectedValueException]
   Could not parse version constraint development: Invalid version string "dev
   elopment"
  </code></pre>
  
  <p>I assume I cannot say, go to this location, clone from this branch?</p>
  
  <pre><code>{
      "repositories": [
          {
              "type":"package",
              "package": {
                  "name": "AdamKyle/Aisis-Core",
                  "version":"development",
                  "source": {
                      "url": "https://github.com/AdamKyle/Aisis-Core.git",
                      "type": "git",
                      "reference":"development"
                  }
              }
          }
      ],
      "require": {
          "AdamKyle/Aisis-Core": "development"
      }
  }
  </code></pre>