Update gems
Add useragent so page loads
Fix next book links
Refactor site scraper
Rename scraper to site scraper
Bump version
Add Changelog file
Push version 1.0.2 of gem
Update copyright date
Rename fetcher to BookSource
Bump version
Create util directory
Create command classes
Put more things under sources
Clean up pretty printer code
Create ListBooks command
Clean up printer
Rename pretty printer
Wire commands into the main binary
Update CHANGELOG