US05: Add CreateFile class and modify methods in FileManager
US05: Update comments for File manager
US05: Modify comments according code review notes
US05-Modify methods documentation
Refactoring tree view class, included a new class object to handle
connections.
Merge branch 'US05-SQ-02' of https://github.com/jafi666/pyCommander into origin/US-05SQ-02
Merge branch 'origin/US-05SQ-02' into US-03JG-Refactoring
merge with US05, refactored with config file usage
Adding updates to meet the last observations in the code review.