Release notes: SpyFu v3.50 is live!

Major updates:
* Fixed an issue with searches over 255 characters
* Improved the redirect after logging in from certain pages
* Dramatically improved speed performance for Domain Ad History

MySpyFu updates:
* Fixed an issue preventing delete action for project websites

API updates:
* Added new API endpoint for categorized Top List of domains (https://www.spyfu.com/api/docs/leads#operation/SellableApi_GetTopList)