create a create_db
Merge pull request #9 from wmantly/benny

adjusting sign_up and login calls to model
Merge branch 'master' of https://github.com/wmantly/RPN-game into model_rpn

Conflicts:
	model.py

mergin changes to master into model rpn
view, may not work
Merge pull request #10 from wmantly/model_rpn

Model rpn
Merge pull request #11 from wmantly/views

view, may not work
view, may not work
Merge pull request #12 from wmantly/views

view, may not work
show_rpn
Merge branch 'master' of https://github.com/wmantly/RPN-game into views
Merge pull request #13 from wmantly/views

Views
coordinating model & controllers