only-engine 0.5.1

Execution planning and runtime engine for only tasks.
Documentation
mod dag;
mod error;
mod interpolate;
mod path_lookup;
mod planner;
mod probe;
mod process;
mod resolve;
mod runtime;
mod shell;

pub use error::EngineError;
pub use interpolate::interpolate as render_command;
pub use planner::try_build_execution_plan;
pub use planner::{
    ExecutionNode, ExecutionPlan, ExecutionStep, Invocation, PlanError, PlanParam,
    build_execution_plan, select_root_task_variant, try_build_execution_plan_in_dir,
};
pub use runtime::{RuntimeOptions, run_plan, run_plan_with_options};