fix scryfall provider defense and mtgquery builder

src/main/java/org/magic/api/criterias/AbstractQueryBuilder.java

@@ -32,6 +32,10 @@ public T build(List<MTGCrit> crits) {
 	@Override
 	public <U> Object getValueFor(U object)
 	{
+		if (object==null)
+			return null;
+
+
 		if(registry.get(object.getClass())!=null)
 			return registry.get(object.getClass()).marshal(object);
 

src/main/java/org/magic/api/criterias/builders/ScryfallCriteriaBuilder.java

@@ -12,34 +12,34 @@ public String build(MTGCrit<?>... crits) {
 
 		var temp = new StringBuilder();
 
-
+		
 		for(MTGCrit<?> c : crits)
 		{
+			var separator =":";
+
 			if(c.getType()==Boolean.class)
 			{
 				if(c.getFirst().toString().equals("true"))
-					temp.append("is:").append(c.getAtt());
+					temp.append(" is:").append(c.getAtt());
 				else
-					temp.append("not:").append(c.getAtt());
+					temp.append(" not:").append(c.getAtt());
 			}
 			else if(c.getType()==Integer.class)
 			{
-				var separator =";";
-
 				switch(c.getOperator())
 				{
 				case GREATER: separator=">";break;
 				case GREATER_EQ: separator=">=";break;
 				case LOWER:  separator="<";break;
 				case LOWER_EQ: separator="<=";break;
+				case NOT : separator="!=";break;
 				default : separator=":";break;
 				}
 				temp.append(c.getAtt()).append(separator).append(c.getFirst());
-
 			}
 			else
 			{
-				temp.append(c.getAtt()).append(":").append(c.getFirst());
+				temp.append(c.getAtt()).append(separator).append(getValueFor(c.getFirst()));
 			}
 			temp.append(" ");
 		}

src/main/java/org/magic/api/providers/impl/ScryFallProvider.java

@@ -46,6 +46,7 @@
 
 public class ScryFallProvider extends AbstractCardsProvider {
 
+	private static final String DEFENSE = "defense";
 	private static final String GAMES = "games";
 	private static final String RELEASED_AT = "released_at";
 	private static final String IMAGE_URIS = "image_uris";
@@ -280,6 +281,9 @@ private List<MTGCard> execute(RequestBuilder q) throws IOException {
 
 	private RequestBuilder createQuery(String q) {
 
+
+		logger.info("executing query {}", q);
+
 		return RequestBuilder.build().setClient(URLTools.newClient()).url(BASE_URI+"/cards/search").get()
 				.addContent("unique","prints")						
 				.addContent("include_extras",getString("EXTRA"))
@@ -319,7 +323,6 @@ protected List<QueryAttribute> loadQueryableAttributs() {
 			{
 				arr.add(new QueryAttribute(s,Boolean.class));
 			}
-
 
 			arr.add(new QueryAttribute(COLOR, EnumColors.class));
 			arr.add(new QueryAttribute(COLOR_IDENTITY, EnumColors.class));
@@ -415,7 +418,7 @@ private MTGCard generateCard(JsonObject obj, boolean loadMeld) throws ExecutionE
 				mc.setWatermarks(readAsString(obj,"watermark"));
 				mc.setText(readAsString(obj,"oracle_text"));
 				mc.setCost(readAsString(obj,MANA_COST));
-				mc.setDefense(readAsInt(obj, "defense"));
+				mc.setDefense(readAsInt(obj, DEFENSE));
 				mc.setMkmId(readAsInt(obj,"cardmarket_id"));
 				mc.setTcgPlayerId(readAsInt(obj,"tcgplayer_id"));
 				mc.setPower(readAsString(obj,POWER));
@@ -520,6 +523,10 @@ private void overrideCardFaceData(MTGCard mc, JsonObject obj,String side)
 		mc.setFlavor(readAsString(obj,"flavor_text"));
 
 
+		if(obj.get(DEFENSE)!=null)
+			mc.setDefense(obj.get(DEFENSE).getAsInt());
+
+
 		if(obj.get(COLORS)!=null)
 		{
 			mc.getColors().clear();