Changes for beta10 (#5)

- Add In/InArray support
- Add ORDER BY support for `Find` functions
- Update dependencies
- Implement fixes identified via static analysis

Reviewed-on: #5

src/Mapper/ExistsMapper.php

@@ -13,6 +13,8 @@ use Exception;
 
 /**
  * Map an EXISTS result to a boolean value
+ *
+ * @implements Mapper<bool>
  */
 class ExistsMapper implements Mapper
 {