Fix broken migrations.
Add payment history on billing page.
finished optimization 2 refactoring up to all views using the more modular functions to fetch data, no fetching data when not needed, including some tweaks to the templates
good working point, made a few tweaks, started to work on url-tabs effort but rewound and committing now before launching into that
account pages fully working with separate url tabs, started same work on other models but committing working copy now since those will be intricate
refactor of Meter pages seems to be working, still need to finish Building and Space and then check all
refactoring of tabs into separate urls I think is done and appears to be working PTL! also some other tweaks discovered along the way