Port Cache database module to SQLAlchemy

mutalyzer/Db.py

mutalyzer/Retriever.py

mutalyzer/Scheduler.py

mutalyzer/config/default_settings.py

mutalyzer/db/models.py

mutalyzer/db/queries.py

mutalyzer/entrypoints/cache_sync.py

mutalyzer/mapping.py

mutalyzer/parsers/genbank.py

mutalyzer/services/rpc.py

mutalyzer/sync.py

mutalyzer/variantchecker.py

mutalyzer/website.py

tests/test_services_soap.py