• Feature: Added EventLoopInterface::nextTick(), implemented in all event loops (@jmalloc)
• Feature: Added EventLoopInterface::futureTick(), implemented in all event loops (@jmalloc)
• Feature: Added ExtEventLoop implementation using pecl/event (@jmalloc)
• BC break: Bump minimum PHP version to PHP 5.4, remove 5.3 specific hacks
• BC break: New method: EventLoopInterface::nextTick()
• BC break: New method: EventLoopInterface::futureTick()
• Dependency: Autoloading and filesystem structure now PSR-4 instead of PSR-0