paypal url update

Author: avbdr

readme.md

@@ -27,7 +27,7 @@ This software is developed during my free time and I will be glad if somebody wi
 
 Everyone's time should be valuable, so please consider donating.
 
-[Donate with paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=a%2ebutenka%40gmail%2ecom&lc=DO&item_name=mysqlidb&currency_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted)
+[Donate with paypal](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=a%2ebutenka%40gmail%2ecom&lc=DO&item_name=mysqlidb&currency_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted)
 
 ### Installation
 To utilize this class, first import MysqliDb.php into your project, and require it.