New: DumpList
New: Dump of Optional
Change: Dump improved
New: Compare for ResultData
New: and-operator for Category
New Compare operators
New: Compare operators
Change: Dump improved
New: Compare operators
Refactor
New: Compare operators
Debug
Change: Ref cannot be nullable
Change: Ref cannot be nullable
Refactor: externals -> exts
Change: Function call
Refactor: better dealing with Externals-category
Change: treating function calls