add "delete relation"
rename API mock case class
rename API mock case methods
restructure good and bad test cases
refactor Resource factory methods into new class
clean up ResourceFactory calls
add docblocks
rename factory methods
remove direct dependency on ApiTraverser from Collection
remove deprecated methods
mark abandoned method as deprecated
rearrange methods in Resource
add explanation on Resource::setLocation()
add `ResourceFactory` instance variable on `ApiTraverser`
update API mock response method names
refactor validation under constructor in Collection
Merge pull request #26 from easybiblabs/topics/delete-relation

Add "delete" convenience method, and refactor