Fixed lazychaser#252: nested eagers for ancestors and descendants are…

… now loaded

Bump minor version

lazychaser#217: parent_id, lft and rgt are reset when replicating a node

Fixed eager loading with scoping

Refactored ancestors and descendants relations

Update changelog

Update

Support old ver

Merge pull request lazychaser#171 from SeoFood/v4

Laravel 5.4

Merge pull request lazychaser#151 from ceesvanegmond/v3

Feature: Decrease number of queries used by nested set