add stat for left/right balance
add output_dot lib
update LOG
update stat3
add left and right properties
refactoring
refactoring
refactoring
refactoring(remove run_v2)
refactoring
doing multi-version support
v4 release
v4.1
creating v5story
update
accept more than one end
update
update v5
add end_pages and input_pages
add debug-mode