v0.4.0

clue released this 19 Dec 22:54

· 672 commits to 3.x since this release

BC break: Bump minimum PHP version to PHP 5.4, remove 5.3 specific hacks
BC break: Update to React/Promise 2.0
BC break: Update to Evenement 2.0
Dependency: Autoloading and filesystem structure now PSR-4 instead of PSR-0
Bump React dependencies to v0.4

Assets 2