Plugins: allow access to more context data

[GnaspGames]

I would like to allow plugins to be able to access more information about the context from which they are being called.

For example:

• Access coordinates; to be able to query the previous and next coordinates.
• Access current variables such as auto,conditional etc so that they can respect them in the commands they create.
• Access previous commands already processed (maybe useful, but I don't know why yet)

[GnaspGames]

Also see #39 for more feedback on this.

[GnaspGames]

With this commit, 0be9c0d, I think I have done enough to close this.

Not everything in my original comment is done. But I know how I can add those later.

• You will be able to access the previous coordinates.
• You will be able to access the "current" coordinates, meaning the coordinates of the command block being set now.
• You will not be able to access the "next" coordinates, for the command block to come after the one being set now. BUT I will be adding this. I want this for the !delay command to be implemented.
• You will be able to access current variables such as auto,conditional etc so that they can respect them in the commands they create.
• You will not be able to access all previous commands already processed yet. I need to rewrite more of Smelt for that to work since the only list of previous commands available are ones that are part of a setblock to create the command blocks themselves.

I will build upon CommandModule and CommandBlock, and I might introduce a CommandRow class later to clean up code and allow more functionality via plugins/bangs.

[GnaspGames]

Closing with the release of 0.9.4 😄