Fix the segfault

the move in linkList should use while index > 1 instead of > 0
Forgot to init the m_current_length for seqList
Fix the move(0) in insert(0)

insert the first element is different ....
Fix insert

forgot to give value when insert index > m_current_length - 1`
Remove debug cout

now need finish the editor
Can opent file in editor now
Add insert for link_list

and store file data for editor class in link_list. but use std::string.
i dont think this editor will support chinese.