Common codecs used when [de]serializing data structures.

The default registered codecs are:

* :edn - encodes to/decodes from an EDN string
* :json - encodes to/decodes from a JSON string. Requires `cheshire` as a
  dependency.
* :none - performs no encoding

You can enable :fressian encoding by calling
[[immutant.codecs.fressian/register-fressian-codec]], or make custom
codecs with [[make-codec]].

Provides support for using Fressian as an Immutant codec.

Defines [[AsPeriod]] and [[AsTime]] protocols for schedule specifications

Asynchronous, highly-available services that share the lifecycle of
your application.

Various utility functions.