Added Zip64 extensions per-plan

Zip64 functionality has been turned on by default to allow for Zip files > 2GB. It can be turned off on a per-plan basis

Added feature to remove old backups

Added a new feature to remove old backups from S3, see https://github.com/mgoodfellow/s3-backup/issues/2

Initial public release

Initial release, same as the v0.5-alpha release
Has been successfully running in production on both Windows Server 2012, CentOS (with Python2.7 and virtualenv), and Ubuntu servers

Testing release

This is the first major testing release with the required functionality for an initial release

Pre-release for PyPI

Fixing an issue with the requirements

Pre-release for PyPI

This release fixes the broken package issue from v0.2-alpha

Pre-release for PyPI

Reorganising project for PyPI distribution

Initial pre-release

Initial pre-release version of the tool