Improve relay selection and fetching feeds for large follow lists

[staab]

nostr://nevent1qqspalna39h8fsgdljrhnxvvsupurx4y6llms2qt82psjzvcwj6rttgpzdmhxue69uhhyetvv9ukzcnvv5hx7un8qyfhwumn8ghj7mn0wd68yt3k8quzummjvuq3kamnwvaz7tmrdpexjum5wp5kcmpwdehhxarjxyhxxmmd08ez0g

[staab]

Improved this by keeping socket objects around and removing the 256 limit on authors. However, with someone like Jack, the amount of data flowing through the system seems to trigger timeouts and incomplete information.