Package-level declarations

Specifies well-known hash algorithms.

# Logger

Describes a logger, which is a single named logging instance. Loggers are typically acquired at the point they are
used, or in an enclosing class, and are used to emit log messages at various levels of severity.

# Logger Settings

Describes a suite of settings which should apply to one or more logger instances.

# Logging Settings

Describes general or default logging settings.

# Logging Handler

Describes a named "handler," which receives logs and acts on them in some manner. Logging handlers are typically
instantiated in a small set of objects which are shared with all loggers in a given application.

# Log Level

Enumerates well-known or widely-recognized logging levels. These are used to indicate the severity of a given log
message, and to decide at what severity level log messages should be emitted.

Specifies generic version information; comparable via "semver" (Semantic Versioning) semantics.