back end init
Edited class diagram
Started building the model
added some classes to the skeleton
Misspelled word
Continued bulding back end, added som tests
Post classes and tests added
Better test, some new files
Implemented som get functions and added som tests
Add comment test
Tests and refactoring in PostArchive, Tag and Comment
Added comment test and som methods
Comment tests, comment and AbstractPost refactoring
Changed method parameters

Changed method parameters in some methods from AbstractPost to Long
(postId)
updated class diagram