Started with this
WIP: renaming and rescoping denotation
Merge branch 'master' into renaming/packages-imports

Conflicts:
	src/main/scala/cosas/Types.scala
Finished with denotation
fn is done
propertiesHolder is done
typeUnion is ready
typeSet is ready
property is ready; removed RawOf alias
record is ready; less accessor type aliases
Cleaning up imports
Minor edits
rename files and objects to a lowercase plural pattern
Merge branch 'renaming/packages-imports'