Signed-off-by: Anton K <antonmks@gmail.com>
Major architecture changes + hash joins

Signed-off-by: Anton K <antonmks@gmail.com>
Major achitecture changes + hash joins
Added support for the regular joins
Fixed some memory alignment issues
Bug fixes
Corrected load scripts
Hash join improvements.
Deleted old benchmarks
Added compiler switch -O3 // Major performance difference
Bug fixes
Added change.log
Added a presentation
Presenation update
Fixed some memory leaks
Presentation update
Modified the database structure for faster segment access
Bug fixes
Yet more bug fixes
Merge pull request #1 from antonmks/master

personal code update request