Fix flag formatting in v0.3.0

[nathanpotter]

   -d=false	Shorthand for --detach
                                                         --detach=false       Detached mode: run command in the background
	-e	Shorthand for --envs
                                                                 --envs               Set environment variables
	-i=false	Shorthand for --interactive
                                                    --interactive=false  Keep STDIN open even if not attached
  -t=false             Shorthand for --tty
	--tty=false	Allocate a pseudo-TTY
                                                       -w                   Shorthand for --workdir
	--workdir	Working directory inside the environment