0.3.0

Features

• allow overriding URL in blob targets (#155) (3156196)
• apt: custom compression, support lz4 (#212) (8f54a05)
• custom URLs in source & target, fix windows paths (#202) (e9c1c78)
• pgp sign repo metadata, simplify crypto packages (#207) (bc3ef36)
• validate version constraint (#194) (1e77b34)
• yum integration (#196) (540b88c)

Bug Fixes

• apt: deb encoding bugs (#213) (6d564c4)
• skip empty version constraint (#198) (cc9a300)

Performance Improvements

• apt: reduce allocs on encoding metadata (#211) (0b43413)