Add editor plugin interface methods

The following is added:
- Player Id
- Refresh properties window
- Access to error pane

Changed version to 3.3.0.1146 to reflect interface changes.

Resolves the following:
http://www.adventuregamestudio.co.uk/forums/index.php?issue=329.0
http://www.adventuregamestudio.co.uk/forums/index.php?issue=334.0
http://www.adventuregamestudio.co.uk/forums/index.php?issue=335.0