Version 0.6

• Fixed better exit from interactive ssh sessions.
• Refactoring all command-line parsing and operations under global
  cli command in order to make some of its services available to
  other modules.
• Implementation of a Web API, using a vocabulary similar to the one
  from the command line.
• Adding commands to search for components (by name patterns) and to
  execute docker commands on groups of components (by the same name
  patterns).
• Adapting to new options in latest machine, which leads to quicker
  machine creations as setting labels does not need a restart anymore.
• Dynamically adapt to the OS on the created virtual machine when
  installing necessary tools such as rsync.
• Adding -restrict option to forall and search to restrict to a
  subset of matching machine name patterns within the cluster.
• Now accepting wildcards instead of (shortened) machine names in most
  CLI commands. Most usefull is for ps sub-command: when called
  without arguments it will return the components in the swarm, when
  called with * (matching all machine names), it will list all
  components in the cluster.
• Added a ls CLI sub-command, this will print out the list of
  cluster machines and their state.
• Use a dash-led marker at the beginning of YAML files to
  automatically pick up the cluster description from the current
  directory as a default failover.
• Adding an addendum section to VMs, this contains a list of scripts
  (or similar) that will automatically be run once the machine has
  been created. They can be used to control access to ports,
  etc. using provider-specific command-line tools.