Start work on website. Create index page
Create class to store configuration

Before this commit the configuration was set by global variables. This
is fine for a script but as a library it is not. Therefore there is now
a TabToSheetMusic class which stores a configuration and can convert
tabs to sheet music through one of its methods
Add rendering to website
Change regex to be more accurate
Merge branch 'master' of https://github.com/mattyhall/tabpole

Conflicts:
	data.py
	tabpole.py