0.4.1

Added

• Queries: add SortableTrait for easy sorting
• Queries: add PaginatedTrait for easy pagination (closes #22)
• Indices: allow an index to have a different internal name (closes #33)

Changed

• [internal] Use autoload-dev for the test dummy application
• Sorting: add support for fields without a direction
• Sorting: use original field definition if no direction is provided (closes #31)