Improve some error messages

src/com/gpl/rpg/atcontentstudio/model/gamedata/ActorCondition.java

@@ -236,7 +236,12 @@ public class ActorCondition extends JSONElement {
 		if (this.icon_id != null) {
 			String spritesheetId = this.icon_id.split(":")[0];
 			if (getProject().getSpritesheet(spritesheetId) == null) {
+				System.out.println("Actor Condition");
 				System.out.println(this.id);
+				System.out.println("failed to load spritesheet");
+				System.out.println(spritesheetId);
+				System.out.println("while creating backling for icon_id");
+				System.out.println(this.icon_id);
 			}
 			getProject().getSpritesheet(spritesheetId).addBacklink(this);
 		}

src/com/gpl/rpg/atcontentstudio/model/gamedata/JSONElement.java

@@ -47,6 +47,7 @@ public abstract class JSONElement extends GameDataElement {
 				}
 				catch(Exception e){
 					System.out.println("Error in ID: " + id);
+					System.out.println(e.getMessage());
 				}
 			}
 		} catch (FileNotFoundException e) {