Allow custom hovering selectors for images
Remove indentation, add extra_mixins option
Make image-hover effects optional in img html helper
Add #each_id and #each in IdManager
Add a simple Obfuscator
Make .image related css dynamically generated
Add #reverse_get in IdManager
Add OpReg, OpGet, OpRGet, #deobfuscate_css, #deobfuscate_html, #each_id_mapping, #each_class_mapping in Obfuscator
Add ObfuscatorMiddleware