Data store and IO commands

This release adds a data-store to CoAL which allow to keep data in between simulation steps

It also adds a set of commands to csm-data to allow interactions with the data-store and multiple systems allowing for a pre-packaged way to send its content

What's Changed

• Minimal coal store version by @neomatamune in #37
• Afos/io connections commands by @neomatamune in #38

Full Changelog: 0.7.0...0.8.0