after clean code before add return value testing
after switch true->switch before return value
after fix bug for delay before return value
after make error for indexeddb before checkout
after check normal register,run before enable to register destroy test
after check normal before fix destroy test
fix for function in checked_objects
add func.*
after edit for cyclic before return value
after add checked_paths for register before add for run
after edit for function2string in args before edit for run
after add observing return value  before add observing cyclic object
Merge branch 'feature/return_value' into develop
edit docs
add img
Merge branch 'release/0.2'