Update changelog for v0.2.1
Update changelog for v0.2.1

cystbear/react,reactphp/react,FireWalkerX/react,cesarmarinhorj/react,krageon/react,sachintaware/react,ympons/react,dagopoot/react,ericariyanto/react,cesarmarinhorj/react,nemurici/react,dagopoot/react,ympons/react,krageon/react,sachintaware/react,naroga/react,cystbear/react,ericariyanto/react,nemurici/react,FireWalkerX/react,naroga/react