Change composer version from dev-master to 1.*
Change composer version from dev-master to 1.*

This allows people with composer.json setting "minimum-stability" set to stable to install the package.
Gsearch/laravel-paypalpayment,EhteshamMehmood/laravel-paypalpayment,xroot/laravel-paypalpayment,KyawThuWin/laravel-paypalpayment,trieucse/laravel-paypal,net-shell/laravel-paypal,sudiptpa/laravel-paypal,anouarabdsslm/laravel-paypalpayment