Allrod5 Injectable Versions Save

• Fix injectable crashing when relative imports are used in files containing injectables.

• Fix testing.register_injectables not creating the namespace when it doesn't exist yet

• Fix opening of UTF-8 files & allow for user set encoding

Fix inject return type hint

• Fix Injectable failing to resolve complex/entangled imports

• Fix optional injection bug when the namespace is empty

• Fix the use of named args by the caller breaking autowired functions injection

• Deprecate InjectionContainer::load in favor of load_injection_container.
• Change default namespace name from "_GLOBAL" to "DEFAULT_NAMESPACE".
• Fix minor quirks with Python 3.7 and 3.8.
• Add tons of unit tests.
• Add reset_injection_container utility to injectable.testing