Adding schematic by id method

SpigotCore_Main/src/de/steamwar/sql/Schematic.java

@@ -64,6 +64,17 @@ public class Schematic {
 		}
 	}
 
+	public static Schematic getSchemFromDB(int schemID){
+		ResultSet schematic = SQL.select("SELECT SchemID, SchemName, SchemOwner, Item, SchemType, SchemFormat FROM Schematic WHERE SchemID = ?", schemID);
+		try {
+			if(!schematic.next())
+				throw new SecurityException("Failed loading schematic " + schemID);
+			return new Schematic(schematic);
+		} catch (SQLException e) {
+			throw new SecurityException("Failed loading schematic", e);
+		}
+	}
+
 	public static List<Schematic> getSchemsAccessibleByUser(UUID schemOwner){
 		return getSchemsAccessibleByUser(SteamwarUser.get(schemOwner).getId());
 	}