Fix ftype return wrong singular duration value bug in __ftuple
Add annotation to ground truth plotter
Move segments ground truth result to subpackages, and add even_segments to simplify plotting result, resolve #48
Move segment plotter methods to subpackages, ref #45
Resolved #45
Add ipynb docs , add GtDirectMatch
Update readme.md
Update version notes
Add introduction in docs
Merge pull request #50 from speed-of-light/speed_up

Add segments result and some docs