Receive message(s) from a queue

This subcommand receives one or more messages from a queue. Three
different methods are supported, read message by message, read until a
given timout or read until a specified date and time. This subcommand
also supports the `--non-blocking` flag.

src/main.rs

@@ -4,6 +4,7 @@ use clap::Clap;
 mod cli;
 mod create;
 mod info;
+mod recv;
 mod send;
 mod unlink;
 
@@ -17,6 +18,7 @@ fn main() -> Result<()> {
         Command::Info(i) => i.run()?,
         Command::Unlink(u) => u.run(opts.verbose)?,
         Command::Send(s) => s.run(opts.verbose)?,
+        Command::Recv(r) => r.run(opts.verbose)?,
     }
 
     Ok(())