assumes a "*" for prior if there was a build prior in the turn.

src/main/java/com/philihp/weblabora/model/CommandParameters.java

@@ -13,16 +13,22 @@ public class CommandParameters {
 	/**
 	 * Everything in the middle
 	 */
-	private List<String> params = new ArrayList<String>(2); //default it to an capacity of 2, since that's what it usually is
+	private List<String> params = new ArrayList<String>(2); // default it to an
+															// capacity of 2,
+															// since that's what
+															// it usually is
 
 	/**
 	 * The last token.
 	 */
 	private String suffix;
-	
+
 	private boolean placeClergyman;
 
-	public CommandParameters() {
+	private boolean mustBePrior;
+
+	public CommandParameters(boolean mustBePrior) {
+		this.mustBePrior = mustBePrior;
 	}
 
 	public char getCommand() {
@@ -48,20 +54,25 @@ public String getSuffix() {
 	public void setSuffix(String suffix) {
 		this.suffix = suffix;
 	}
-	
+
 	public String get(int i) {
 		return params.get(i);
 	}
-	
+
 	public int size() {
 		return params.size();
 	}
 
 	public void setPlaceClergyman(boolean placeClergyman) {
 		this.placeClergyman = placeClergyman;
 	}
-	
+
 	public boolean getPlaceClergyman() {
 		return this.placeClergyman;
 	}
+
+	public boolean isMustBePrior() {
+		return mustBePrior;
+	}
+
 }

src/main/java/com/philihp/weblabora/model/CommandUse.java

@@ -17,7 +17,7 @@ public void execute(Board board, CommandParameters params)
 
 		String buildingId = params.get(0);
 		UsageParam usageParam = null;
-		boolean usingPrior = params.getSuffix().contains("*");
+		boolean usingPrior = params.getSuffix().contains("*") || params.isMustBePrior();
 
 		if(params.size() == 1) {
 			usageParam = new UsageParamSingle("");

src/main/java/com/philihp/weblabora/model/MoveHistory.java

@@ -3,6 +3,7 @@
 public class MoveHistory {
 	private boolean previousUse = false;
 	private boolean settling;
+	private boolean previousBuild = false;
 
 	public MoveHistory(boolean settling) {
 		this.settling = settling;
@@ -12,15 +13,19 @@ public boolean isSettling() {
 		return settling;
 	}
 
-	public String toString() {
-		return "{previousUse=" + previousUse + "}";
+	public boolean isPreviousBuild() {
+		return previousBuild;
+	}
+
+	public void setPreviousBuild(boolean previousBuild) {
+		this.previousBuild = this.previousBuild || previousBuild;
 	}
 
 	public boolean isPreviousUse() {
 		return previousUse;
 	}
 
 	public void setPreviousUse(boolean isPreviousUse) {
-		this.previousUse = isPreviousUse;
+		this.previousUse = this.previousUse || isPreviousUse;
 	}
 }

src/main/java/com/philihp/weblabora/model/MoveProcessor.java

@@ -22,8 +22,6 @@ public static void processMoves(Board board, Iterable<String> allMoves) throws W
 			board.preMove(move);
 			processActions(board,move);
 			board.postMove();
-			System.out.println("Testing Validity");
-			board.testValidity();
 		}
 	}
 
@@ -39,7 +37,7 @@ public static void processActions(Board board, String actions)
 
 	public static void processSingleAction(Board board, String move, MoveHistory history)
 			throws WeblaboraException {
-		CommandParameters params = new CommandParameters();
+		CommandParameters params = new CommandParameters(history.isPreviousBuild());
 
 		String prefix = move.substring(0, move.indexOf('('));
 		String inner = move.substring(move.indexOf('(')+1, move.indexOf(')'));
@@ -62,7 +60,8 @@ public static void processSingleAction(Board board, String move, MoveHistory his
 		MoveCommand moveCommand = pickCommand(params.getCommand(), history);
 		moveCommand.execute(board, params);
 
-		history.setPreviousUse(moveCommand instanceof CommandUse); 
+		history.setPreviousUse(moveCommand instanceof CommandUse);
+		history.setPreviousBuild(moveCommand instanceof CommandBuild);
 	}
 
 	public static MoveCommand pickCommand(char commandChar, MoveHistory history) throws WeblaboraException {