Todo lists

Conclave	Arity	Motion	Arrow	Note
Aggregate	Unary		Aggregate output:Scalar	Motion integrated
Concat	Binary			Motion integrated - to be tested
Close	Unary		-	Motion integrated
Create	Unary		Input/Output	Motion to do
Join	Binary
Open	Unary		-	Motion integrated
Project	Unary		Selections?
Multiply	Unary		Arithmetic output:Any
Divide	Unary		Arithmetic output: Vector/Scalar
SortBy	Unary		Sort output:Any	Motion integrated
DistinctCount	Unary		Aggregate output:Scalar	Motion integrated - to be tested
Filter	Unary		Selections output:Any
ConcatCols	Binary			Motion integrated - to be tested
Limit	Unary