extract and refactor to user scrapers, processor and models
continue working on v2 ; introduce mapping ; refactor image parser ; introduce models ; introduce scrapers
lots of fixes; title, desc, image and images working
clean specs ; add new specs ; fix: now sorting images ; fix: add String#to_s method to each models
add missing specs
fix: tiny issue and exception issue
remove useless code
feature: add graders
add missing specs
update readme and initializer
bump version to pre release
update travis
fix: og multi image support. Fixes #14
add image limit config ; add fallback mechanism. Fixes #15
Fixes #12
update readme
refactor graders
fix: graders and add position grader
Update README.md
Update README.md