Add OidSet comment
Merge branch 'master' into oidset
Change "OidSet.elements[]" sets from "Set" to "SortedSet"
Add OidSet.clone(), union(), intersection(), difference() result type check test cases
Change OidSet.remove(), contains() and test cases from "Set" to "SortedSet"
Sort OidSet.elements[] by prefix and class name
Modify Set.size() from "_.keys().length" to "_.size()"
Merge branch 'master' into oidset
Modify OidSet.elements[] keys
Added OidSet sorted test cases for null prefix
Modify OidSet.elements[] keys to JSON string
Modify each OidSet.elements[] SortedSet only contain object string
Fix OidSet.add(), remove(), contains() and test cases "all objects" process mistake
Added reject remove single object in contain all objects set test case
Added OidSet.toJSON()
Fix OidSet sort bug when prefix both null
Added OidSet.toJSON() "null" string test cases
Added OidSet.toString() and test cases
Merge branch 'oidset'
Added Oid construct check and test case