1.0.0-alpha9

• Added remove command to do the reverse of require
• Added --ignore-platform-reqs to install/update commands to install even if you are missing a php extension or have an invalid php version
• Added a warning when abandoned packages are being installed
• Added auto-selection of the version constraint in the require command, which can now be used simply as composer require foo/bar
• Added ability to define custom composer commands using scripts
• Added browse command to open a browser to the given package's repo URL (or homepage with -H)
• Added an autoload-dev section to declare dev-only autoload rules + a --no-dev flag to dump-autoload
• Added an auth.json file, with store-auths config option
• Added a http-basic config option to store login/pwds to hosts
• Added failover to source/dist and vice-versa in case a download method fails
• Added --path (-P) flag to the show command to see the install path of packages
• Added --update-with-dependencies and --update-no-dev flags to the require command
• Added optimize-autoloader config option to force the -o flag from the config
• Added clear-cache command
• Added a GzipDownloader to download single gzipped files
• Added ssh support in the github-protocols config option
• Added pre-dependencies-solving and post-dependencies-solving events
• Added pre-archive-cmd and post-archive-cmd script events to the archive command
• Added a no-api flag to GitHub VCS repos to skip the API but still get zip downloads
• Added http-basic auth support for private git repos not on github
• Added support for autoloading .hh files when running HHVM
• Added support for PHP 5.6
• Added support for OTP auth when retrieving a GitHub API key
• Fixed isolation of files autoloaded scripts to ensure they can not affect anything
• Improved performance of solving dependencies
• Improved SVN and Perforce support
• A boatload of minor fixes, documentation additions and UX improvements