# Functions
New creates a new CA Server which needs to then be atatched to some http server, a la `http.ListenAndServeTLS(...)`.
WithHTTPClient specifies the http client to use.
# Constants
RequestBodySizeLimit is the maximum request body size.
# Structs
CreateCertRequest asks for a signed cert.
CreateCertResponse is response from a CreateCert request.
# Interfaces
Option configures the agent.