v1.0.3

updated tests, compatibility with Paperclip 4 - thanks Sija

v1.0.2

• relax Paperclip dependency, allow 3.4.x again since it works fine

v1.0.0

• we're going to 1.0.0 after six months in production
• use image_optim 0.9 and upwards
• use Paperclip 3.5.2 and upwards
• document image_optim_bin for use on Heroku