Added small fix for fastcgi scripts
Added README file
Fixed .travis.yml
Updated composer.json
Dropped support for PHP 5.3
Updated composer package version
Bumped version to 0.1
Bumped version to 0.2.x (Graph feature implementation)
Added initial support for graphs
Fixed unused use statements
Added phpdoc comments on Vertex
Added support for dumping graphs using graphviz
Updated error management for graphviz and improved performance for dot file generation by using the implode function
Added in-memory storage support
Update README.md

Updated insight project code
Updated Graph VisitorInterface and added an additional check in Profiler::setShutdownFunction()
Add a Bitdeli badge to README
Updated the version of the xhprof extension dependency
Updated README to fix install procedure
Added hhvm to travis