Added meso drop data for many mobs that were missing mesos.
Enhanced arrow drop data, now dropping bundles instead of unitary items.
Fixed issues with several Aran change jobs crashing the player shortly after changing jobs.
Improved concurrency in MapleGuild, MapleAlliance and MaplePlayerShop.
New tools: MapleArrowFetcher and MapleMesoFetcher, that were used to compile the updated drop data info.
Fixed buff system behaving oddly if a buff has value zero, that would render some skills "broken".
Fixed players skipping maps when trying to access portals while under a poor Internet connection.
Fixed storage not disposing players properly in cases where the players does not meet the storage conditions.
Set some locks to use fairness strategy when dealing with atomic code, in order to make the calls to it properly synchronized.
Fixed Aran introductory questline stucking players when certain conditions were met.
Added drop data for some mob versions of Fairy, Yeti and Pepe.
Thanks to BenjixD DietStory's dev team, many bugs found by them have
been patched (pirate quests, missing drop data, fly command, etc).
Implemented Owl of Minerva. Fixed many issues with Hired Merchant and
Player Shops. Fixed an error with the slot checking system. Added Wish
Tickets (circa-2006 GMS event) to be dropped on AmoriaPQ.
Added mechanics for the EXP/DROP cash coupons (such as enabling
out-of-time active coupons via command and automatic update of active
ones over the designed interval). Created MapleCouponInstaller as means
to gather info about the coupon intervals and rates from the WZs (the
generated SQL table is already updated on the db_database.sql file).
