- Fixed tome of knowledge quests at {x = 33343, y = 31610, z = 1}, {x = ...

...33157, y = 31229, z = 15}, {x = 33264, y = 31130, z = 7} and {x = 33306, y = 31125, z = 9}, fixes #579

- Removed all items from map with those IDs (2016 to 2021 [decay-able pool, mostly from dead monsters], 7634 to 7636 [empty potion flasks, I don't see any problem removing them])
- Removed several empty backpacks, gold coins, platinum coins, energy rings and trash from map (one by one by hand)
- Removed 95 crystal coins from {x = 33553, y = 32437, z = 15}
- Added NPC Timur at {x = 32190, y = 32443, z = 7}
- Fixed two black squares
- Removed a fire sword from {x = 33714, y = 32432, z = 7}
- Removed unreachable tiles from map (57308 tiles deleted) size before: 101.533 after: 101.063