Merge pull request #2 from KasenJ/master

Merge
Merge pull request #3 from KasenJ/master

Merge
Merge pull request #4 from KasenJ/master

Merge
add get rank function
add operateScore function in dbapi.py
adjust code layout
add some easy functions
Merge branch 'master' of github.com:AncientAnton/CommunityPython into AncientAnton-master

Conflicts:
	code/util.py

merge
Merge branch 'AncientAnton-master'