Speed up the retrieval of search suggestions from the database.

Since the maximum amount of displayed suggestions is set at 5, it makes
sense to limit the query to a maximum of 5. This speeds up the query
significantly which makes queries more responsive.

src/acr/browser/lightning/HistoryDatabaseHandler.java

@@ -115,7 +115,7 @@ public class HistoryDatabaseHandler extends SQLiteOpenHelper {
 		List<HistoryItem> itemList = new ArrayList<HistoryItem>();
 		// select query
 		String selectQuery = "SELECT * FROM " + TABLE_HISTORY + " WHERE " + KEY_TITLE + " LIKE '%"
-				+ search + "%' OR " + KEY_URL + " LIKE '%" + search + "%'";
+				+ search + "%' OR " + KEY_URL + " LIKE '%" + search + "%' LIMIT 5";
 		Cursor cursor = mDatabase.rawQuery(selectQuery, null);
 
 		// looping through all rows and adding to list
@@ -139,7 +139,7 @@ public class HistoryDatabaseHandler extends SQLiteOpenHelper {
 
 	public List<HistoryItem> getLastHundredItems() {
 		List<HistoryItem> itemList = new ArrayList<HistoryItem>();
-		String selectQuery = "SELECT  * FROM " + TABLE_HISTORY;
+		String selectQuery = "SELECT * FROM " + TABLE_HISTORY;
 
 		Cursor cursor = mDatabase.rawQuery(selectQuery, null);
 		int counter = 0;