Fix problem where resize to fill would remove the background of a png and replace it with the default background color.
Allow proc usage for fog_host config variable
Be less restrictive regarding what a dynamic host can be
Pass the current instance of Fog::File to fog_host proc.
Document dynamic fog_host
Merge pull request #649 from Hakon/patch-1

Fix problem where resize_to_fill would remove the transparency of a png
Merge pull request #650 from jtrim/dynamic_fog_host

Allow proc-like object for fog_host config variable
Respect options[:except] and options[:only] when passed to as_json for use with serializable hash, closes #663
Generate a nicer validation error message by turning the extension white list into a sentence.
fixed error 'TypeError: can't convert nil into String', when have_permissions test fails
Merge pull request #673 from syzspectroom/master

'TypeError: can't convert nil into String' when have_permissions fails fix
bump fog dep to get passing REMOTE spec fixes
closes #592
use directory.files.head instead of get
closes #668
Update history
Bump version to 0.6.0
Use join(", ") instead of to_sentence to reduce dependencies.
Add notes for putting fog in your Gemfile and specifying the required version
fix serializable_hash

there was a bug with calling serializable hash with no options
also make the :except and :only options function like ActiveRecord
expects.
Merge pull request #681 from matthewrudy/fix-serializable-hash

#serializable_hash broken with no options
Update history, bump version to 0.6.1