* generalized uncle processing
* add some uncle tests
* set author and do event handling
* OnePerAuthorPerHeight no longer O(n^2) and test
* bump impl_version of node
* Documentation and style fixes
Co-Authored-By: DemiMarie-parity <48690212+DemiMarie-parity@users.noreply.github.com>
* fix#2949: index-based FindAuthor wrapper for srml-session
* use for_each_tuple