Rename ninjaTableViewDelegate, tableViews' dataSource is now also included in surogate object
Fixed Demo-PulseCell to work with iOS7
SectionManagment category on NGNinjaTableView introduced
Added parameter assert when looking for tableView
SectionManagment demo introduced for folding sections
SectionManagment demo - folging/unfolding sections by clicking sectionHeaderView
Hiding sections implemented
Fix main DEMO UI
Deal with default values (no Exceptions anymore, just 0, nil returns)