Engine Status
1.0.0 => changelog
| base select statement | DONE |
| projections with grouping functions | DONE |
| conditions and nested conditions | DONE |
| order by with grouping functions | DONE |
| having clause | PARTIAL DONE |
| ignore case like condition type | DONE |
1.0.1 => changelog
1.5.0 => changelog
| Nested Query | DONE |
| Join | DONE |
2.0.0 => changelog
| support for update operation | DONE |
| support for delete operation | DONE |
| support for insert operation | DONE |
| implementation abstraction api | DONE |
2.5.0
| support projection to pojo mapping | TODO |
| improving proxing performance | TODO |
| engine implementation extension. | TODO |