Fixed bug due to db change.
Added course link
Added assignment mvc, you can display the list of assignment and add new assignment through course page.
added sql to repository
update to collection table with hierarchy
page to search database and colelct files using hierarchy
Tried to fix conflict
Added assignment_new which you can create an new assignment.
Add a comment like last commit
Removed junk file and backup these file in the folder called Source at the same path public_html