New inventory class (#31)

* added inv files

* initial code

* removed extra files

* reverted some config stuff

* added Btree submodule

* now C++20 for linux too

* using conda compilers

* tests updated to C++20

* adding a path to python3

* adding a path to python3

* adding a path to python3

* rm -rf bin/python

* rm -rf bin/python

* rm -rf bin/python

* find virtual first

* added 3.12

* added deps to schema

* added ability to report qualities, set independant qualities, and search for lower qualities when requested isn't avaialable

* renamed kernel

* changed how quality is reported

* added stuff

* fixed test maybe

* changed logs back to debug

* added inv tests