anchor.diff:  
   ```
   
  -= Callable Statements
  +== Callable Statements
   
   Callable statement support is a major addition to the code base as of 0.1-RC23.
   
  
positive.code: ```
  Nulls will happily map to Tuples (see the next section) when you have two or more columns.
  
  = Tuple support
  
  When you specify more types in the `getAs` method they are matched to the columns in the returned result set from the query and combined into a `Tuple` instance. Here's an example that returns `Tuple2`:
  
  
negative.code: 21
  34
  ```
  === Multiple parameters per query
  
  If there is more than one parameter per query:
  
  