Quest changes
Quests added, removed and changed between 0.5.6-beta (Easy) and 0.5.6-beta (Expert).
Neither 0.5.6-beta (Easy) nor 0.5.6-beta (Expert) has a tech tree or quest book
The game has a tech tree and a built-in quest book from 0.6.0 on; a 0.5.x data set compares only in items and recipes.
See item changes