Update TFF
Merge branch 'feature_window_management'
Merge branch 'feature_window_management'
version 0.0.17
Update Makefile
Merge branch 'feature_window_management'
version 0.0.18
Merge branch 'feature_window_management'
Qickfix
switch between greedy/lazy drawing
Fix some range errors
Fix style nits
Implement close button event handler