Underbid 0.3

• Added vendor values and vendor-price warnings.
• Added estimated disenchant values, possible materials and probabilities.
• Added auction, vendor and disenchant suggestions.
• Added Bind-on-Pickup handling.
• Added a focused enchanting-material price scan.
• Full scans now run in responsive pages and can be cancelled.
• A single current listing can now be used with your normal undercut.
• Missing auction prices now give an Unsure recommendation.
• Simplified tooltip wording.
• Fixed configuration saving and multi-auction progress errors.