Mark Huk

Fixed TableDefinition arity check and `#tables` references

Syntax for child with alias and condition is unexpected

5

`child foo: :bar, if: true` is going to call data_object with `{foo: :bar, if: true}`, so then check on size == 1 will fail and :bar wont be taken into...

## Description IRB Copy&Pasting code with TAB symbol inserts `source` into the code which makes it `void value expression`. Essentially if you want to quick test run some code from...