Avoid an unused parameter in Attribute::Coercible#load
Sync devtools
Prefix unused parameters with _
Nuke Relation::Graph::Connector::Builder#node_name_set

Also silences a reek unused parameter warning ;)
Prefix another unused parameter with _
Exclude %w[ r n ] from being marked uncommunicative
Add all remaining module/class comments
Avoid duplicate method calls by accessing ivars
Avoid duplicate method calls by using an lvar
Avoid duplicate method calls in Mapper::Builder
Relax reek's LongYieldList to allow 2 max_params
Avoid duplicate method calls by using an lvar
Delegate Relation::Mapper{#default_relation => .default_relation}
Avoid duplicate method calls by using an lvar
Avoid duplicate method calls by using an ivar
Extract private Relation::Mapper#default_attributes

This also tricks reek into thinking that we're not
calling 'self.class' two times.
Exclude 'r' from UncommunicativeVariableName
Avoid duplicate method calls by extracting methods
Avoid duplicate method calls by using an lvar