Add Repeated MockRecordReader generators
Refactor usesHolderForGet to Types class (updating evaluation visitor)
Rename FunctionScopes for Aggregates to more descriptive names.
Fix RepeatedValueVector off by 1 bug
Add extra debugging in function holder matching
Fix method grabbing visitor and modified unparse visitor for outer block drill func bug.  (Ensure writer flush and close, add extra printing surrounding output of unparse visitor.)
Update allocation helper to support repeated vectors
Add two basic repeated functions: repeated_contains and repeated_count.