v0.1beta1

This initial pre-release was tested on iOS 12, and only supports the following commands:

bootstrap       Bootstraps a domain or a service into a domain.
bootout         Tears down a domain or removes a service from a domain.
enable          Enables an existing service.
disable         Disables an existing service.
print           Prints a description of a domain or service.
reboot          Initiates a system reboot of the specified type.
load            Bootstraps a service or directory of services.
unload          Unloads a service or directory of services.
list            Lists information about services.
start           Starts the specified service.
stop            Stops the specified service if it is running.
setenv          Sets the specified environment variables for all services within the domain.
unsetenv        Unsets the specified environment variables for all services within the domain.
getenv          Gets the value of an environment variable from within launchd.
variant         Prints the launchd variant.
version         Prints the launchd version.
help            Prints the usage for a given subcommand.