Reverted name refactor in account manager·
Added tests with pytest
Added more asserts to core test
Added couple of tests
More tests
Finished tests in status model
Fixed status method
Now core can no-initializate accounts on startup
Added more core tests
Added more tests to core (68%)
Added more core tests
Added warnings and todos. Fixed minor issue
Finished Core testing
Started (uncomplete) account manager testing
Finished column manager testing
Finished status.py test
Finished column.py tests
Finished list.py tests
Added tests for exceptions
Fixed exception tests. Added common.py tests