update the problem_report for pr-8
add update move_worm_along_gline/wline
fix a bug in move_worm_along_gline
Merge branch 'master' into dev

Conflicts:
	problem_report.log
	program/basic_function.f90
	program/monte_carlo.f90
fix the small bug in check_config
Merge branch 'master' into dev
in the middle of add_interaction
Merge branch 'master' into dev
add update change_wline_time and change_gline_time
change T1,T2,T3 to T(1:3), GX,GY to GR(1:2), WXWY to WR(1:2) and combine
update change_wline_time and change_gline_time
modify change_gamma_time to add the update for delta Gamma
modify update change_gamma_time
update the problem_report for pr-10