[appledoc] Add doc stubs for remaining methods; reorganise with @name sections and pragma marks
reduce: Test for NSMutableCopying protocol instead of mutableCopyWithZone:
If reduce:withBlock: returns a collection, copy it first
[appledoc] Add docs for reduce: and reduce:withBlock:
[appledoc] Document inject:, and add corresponding test
[appledoc] Document and deprecate inject:withOperation:
[appledoc] Document find:
[appledoc] Add example code for including EKEnumerable
Rename chunk: to groupBy:, in order to properly implement Enumerable#chunk
Implement `chunk:` to group items in a sorted collection