only optionally add count index when module count > 1
rename module_count to module_diffs, keep moudle.module_count
add PK_DEBUG for module_subfix debug, which is used to identify diff modules and multi same module
remove auto detect module name in due to detect has been down in
add m_nums for empty
add PK_DEBUG
remove break in while processing multi m_names due to maybe 1 file has >1 modules
todo: only add relative tokens instead of all file token in
Makiras