Added tests for b-tree linear search on int, float, datetime (string or JS timestamp) and uint64. Testing for add/delete/update.
Added tests for b-tree linear search on int, float, datetime (string or JS timestamp) and uint64. Testing for add/delete/update.

blazs/qminer,mkarlovc/qminer,ErikNovak/QVisual,blazs/qminer,mkarlovc/qminer,mkarlovc/qminer,ErikNovak/data-visualization,ErikNovak/QVisual,mkarlovc/qminer,blazs/qminer,mkarlovc/qminer,ErikNovak/data-visualization,ErikNovak/edsa-server,mkarlovc/qminer,blazs/qminer,blazs/qminer,blazs/qminer,ErikNovak/edsa-server