Improved some code metrics
Merge branch 'master' into 2.9

Conflicts:
	core/src/test/scala/pimpathon/any.scala
	core/src/test/scala/pimpathon/either.scala
	core/src/test/scala/pimpathon/list.scala
	core/src/test/scala/pimpathon/option.scala
	core/src/test/scala/pimpathon/try.scala