Version 0.8.0

• With this version, official support for Ruby 1.8.7 is dropped. Please use 1.9.3 or newer.
• Added bucket_owner as a new option to --visibility
• Added --lock option to better issues where two concurrent runs may be updating a package repository.
• Added --fail-if-exists, which will ensure if a package already exists, it won't override it.
• Added --force-path-style option for better support when the bucket doesn't map to *.s3.amazonaws.com or when may get SSL errors due to multi-leveled domains (test.foobar.com.s3.aws.amazonaws.com).
• Added support for the .deb upload itself to honor cache control.
• Added support for armhf architecture type.
• Added a warning if the user specifies an architecture on the command line that doesn't match the package's architecture.
• Changed package and release manifests to be uploaded as plain text instead of binary.
• Fixed support for package deletion when given the full version string of the package.
• Fixed issue with help formating.
• Fixed issue to better check if dpkg is available.