Prepare changelog for 0.2.0 release
Prepare changelog for 0.2.0 release

hax/go-aop-php,goaop/framework,goaop/framework,lisachenko/go-aop-php,lisachenko/go-aop-php,pilot/go-aop-php,DavertMik/go-aop-php,ainiaa/go-aop-php