0.1.3
    new mypy version caught an issue

0.1.2
    docs improvements
    raise a new `FallbackError_FilepathRequired` exception when missing a
        required fallback filepath

0.1.1
    minor formatting
    Conditional Imports
        imports are tried "one at a time"; not "all or nothing".
        functions that use imports should test for all necessary options
    new extended tests for lacking specific libraries
    tests now monitor logs to ensure fallback behavior is triggered correctly

0.1.0
    initial release
    forked from peter_sslers
