Merge pull request #186 from civilware/main

Harden payload encryption and add websockets support

RingSize Sanity Check Fix by Slixe

Out of memory error fix.

Several bugs fixes. Thanks to Slixe.

Reproducible builds implemented. Pruning & fastsync fixes.

Fixes: Wallet sync issues, certificate negative serial bug, bbolt dep…

…endency.

Optimizing Inefficient Functions Usecase.

Release96: POW bugfix in AstroBWTv3

Release95: POW change to AstroBWTv3

Release91: P2P and Synchronization fixes.