Urcollectionmanager

Fix

- **find-missions-function**: allow missions to be created when given a list of only 1 element

Refactor

- **pull-master**: update local branch

Fix

- **mission-category**: add black market category to list of supported categories

Fix

- **mission**: fix the issue where a completed mission caused tuple unpacking to fail

Feat

- **tests**: add unit tests for missions module
- **missions**: add support for mission management

Fix

- **lint**: fix flake8 lint failure

Fix

- **purchase**: fix purchase date incompatibility bug

Refactor

- **pr**: remove test databases

Feat

- **db**: add support for reading and writing purchase history with sqlite databases
- **api**: allow screenscraping with authenticated session

Fix

- **db**: add support for databases, particularly sqlite