Minor changes (exception message)
Use code generation only for RowLists
[core] Supports SQL warning in result
Callable statement specs (over those inherited from PreparedStatement)
[core] Query and update result types (data and warning)
Update specs
Update docs
Update scala 'bindings'
Improve query result, fix results (Nil row list), minor source formatting (remove useless imports)
Add parameter value extractor and update specs for parameter value extractor
Update docs
[core] Warning helpers for query/update results:

```java
QueryResult qresWithWarn = queryRes.withWarning("reason");
UpdateResult uresWithWarning = updateRes.withWarning("reason");
```
Bump version
Update readme.md
Remove useless method
Bump version
[scala] Supports `Execution => RowList[_]` as query handler:

```scala
Acolyte.withQueryHandler({ e: Execution => rowList })
```
Update usage doc
Fix tests
[core] Append operation, to add a single value as row in row list:

```java
RowList1<String> list = new RowList1<String>();
list.append("row");
```