v0.1.1 - Better configuration handling, code cleanup, and bug fixes

Features

• A lot of code refactoring, cleanup, and restructuring into more internal packages to prevent shared state and to separate units
• Switched the provider logic so that the "preferred source" configuration allows for fallback, if the "preferred" source can't be provided
• New configuration setting for specifying an exact source that MUST be able to provided or else an error is thrown
• Source listing (via --list-sources) now lists both the source names AND their "key" names, so that they can more easily be discovered for configuration
• The Oxford Dictionary API is now the default preferred source, as it provides the highest quality results
• Better handling of errors, especially when reading configurations
• New --no-config-file flag to disable the loading of a configuration file

Bug fixes

• Fixed misspellings of "Merriam"
• Improved the cleaning/sanitizing of results from the Merriam-Webster and Glosbe sources