Add note about file type validations to README
Tagged 0.4.0
Allow HTTP connections when running tests with S3
Improve IO with IO.copy_stream and #send_file
Merge pull request #64 from janko-m/io-copy-stream

Speed up IO work
Test against Ruby 2.2
Work around bug in Ruby 2.2, closes #71
Tagged 0.4.1
Require "refile/signature"
Merge pull request #74 from janko-m/require-signature

Require "refile/signature"
Properly remove signature stuff
tagged 0.4.2
Put #set_expires_header into #stream_file
Merge pull request #75 from janko-m/refactor-expires

Put #set_expires_header into #stream_file
Reuse backend method for POST
Make types extensible
Add more inline documentation
Switch to other InchCi badge
Remove CarrierWave snark
Fix broken links