add to_relationship attribute
Change order of application so target == source is no-op instead of delete
Update generated content
v0.002000

 [00 Minor]
 - Add property `to_relationship` that specifies the target relationship
   kind to map to.

 [Bugfixes]
 - Changed order of application so target == source results in no-op as
   opposed to removal.

 [Dependencies::Stats]
 - Dependencies changed since 0.001000, see Changes.deps{,.all,.dev} for
   details
 - runtime: +1