fixes a silly error and thereby improves chase performance dramatically

src/catdata/BinRelMap.java

@@ -94,7 +94,7 @@ public class BinRelMap<X, Y> implements Iterable<Pair<X, Y>> {
 	}
 
 	public BinRelMap() {
-		R = new LinkedHashMap<>(1000000);
+		R = new LinkedHashMap<>();
 	}
 
 	public boolean add(X x, Y y) {

src/catdata/aql/Chase.java

@@ -351,13 +351,13 @@ public class Chase<Ty, En1, Sym, Fk1, Att1, En2, Fk2, Att2, Gen, Sk, X, Y> {
 
 		int i = 0;
 		T = new Content(I);
-		// System.out.println(T);
+		// System.out.println(T.sizes());
 		for (;;) {
 			boolean changed = step(i == 0);
 			if (!changed) {
 				return;
 			}
-			// System.out.println(T);
+		//	 System.out.println(T.sizes());
 			i++;
 		}
 

src/catdata/aql/exp/InstExpJdbc.java

@@ -64,6 +64,7 @@ public class InstExpJdbc extends InstExpImport<Connection, String> {
 		if (jdbcString.trim().isEmpty()) {
 			toGet = (String) op.getOrDefault(AqlOption.jdbc_default_string);
 		}
+		//.driver.DriverManager.
 		return DriverManager.getConnection(toGet);	
 	}
 	

src/catdata/ide/CodeTextPanel.java

@@ -32,6 +32,7 @@ public class CodeTextPanel extends JPanel {
 	public void setText(String s) {
 		area.setText(s);
 		area.setCaretPosition(0);
+		System.out.println(s.substring(0, Integer.min(5, s.length())));
 	}
 
 	public String getText() {
@@ -61,6 +62,7 @@ public class CodeTextPanel extends JPanel {
 		// area.setEditable(false);
 
 		UndoManager m = new UndoManager();
+		m.setLimit(16); //since common case is lots of dots in bottom panels
 		// area.setundoManager = new UndoManager();
 		Document doc = area.getDocument();
 		doc.addUndoableEditListener((UndoableEditEvent e) -> m.addEdit(e.getEdit()));