Antibanish mechanics + Limited drops on map + SQL tidy-up

Added antibanish mechanics: as like other "diseases" that can be treated
with some useable items, banish will be able to be recovered as well.
Fixed some SQL issues introduced on the last commit, as well as
lingering inexistent ids on drop data. Fixed some concurrency issues
with MapleMapFactory. Set a ceiling for simultaneous items available per
map, where old ones are promptly discarded. Patched MWLB attack block
for higher level GMs.

tools/MapleIdRetriever/build/built-jar.properties

@@ -1,4 +1,4 @@
-#Wed, 07 Jun 2017 16:23:20 -0300
+#Sat, 05 Aug 2017 17:48:47 -0300
 
 
-C\:\\Nexon\\MapleSolaxia\\MapleSolaxiaV2\\MapleIdRetriever=
+C\:\\Nexon\\MapleSolaxia\\MapleSolaxiaV2\\tools\\MapleIdRetriever=

tools/MapleIdRetriever/handbook/Use.txt

@@ -1,4 +1,4 @@
-2000000 - Red Potion - A potion made out of red herbs.\nRecovers 50 HP.
+2000000 - Red Potion - A potion made out of red herbs.\nRecovers 50 HP.
 2000001 - Orange Potion - A concentrated potion made out of red herbs.\nRecovers 150 HP.
 2000002 - White Potion - A highly-concentrated potion made out of red herbs.\nRecovers 300 HP.
 2000003 - Blue Potion - A potion made out of blue herbs.\nRecovers 100 MP.
@@ -381,6 +381,7 @@
 2030016 - Phyllia's Warp Powder - Warp powder made by fairy Phyllia.  Teleports you to Magatia when used inside the Nihal desert region.
 2030019 - Nautilus Return Scroll - This scroll enables you to return to the Pirate village, Nautilus. This is a one use item and will disappear after use.
 2030020 - Return to New Leaf City Scroll - Use this scroll to venture back to New Leaf City whenever you want!
+2030100 - Return Scroll - Banished Area - Returns you to the map where you were last banished. Requires immediate use and not have changed maps.
 2031000 - Masked Man's Invitation - An invitation from the Masked Man to the Halloween Party at the Haunted Mansion. Double-click to move straight to the mansion.
 2031001 - Studio Invitation - An invitation to the studio for the event "For Guild Only".
 2040000 - Scroll for Helmet for DEF - Improves the helmet's weapon def.\nSuccess rate:100%, weapon def. +1

tools/MapleIdRetriever/src/mapleidretriever/MapleIdRetriever.java

@@ -25,12 +25,12 @@ import java.util.ArrayList;
  * IMPORTANT: this will fail for fetching MAP ID (you shouldn't be using this program for these, just checking them up in the
  * handbook is enough anyway).
  * 
- * Set whether you are first installing the handbook on the SQL Server (true) or just fetching whatever is on your "fetch.txt"
- * file (false) on the INSTALL_SQLTABLE property and build the project. With all done, run the Java executable.
+ * Set whether you are first installing the handbook on the SQL Server (TRUE) or just fetching whatever is on your "fetch.txt"
+ * file (FALSE) on the INSTALL_SQLTABLE property and build the project. With all done, run the Java executable.
  * 
  */
 public class MapleIdRetriever {
-    private final static boolean INSTALL_SQLTABLE = false;
+    private final static boolean INSTALL_SQLTABLE = true;
     
     static String host = "jdbc:mysql://localhost:3306/maplesolaxia";
     static String driver = "com.mysql.jdbc.Driver";