src/Package.zig          | 156 ++++++++++++++++++++++++++++++++
 src/Package/Fetch.zig    | 154 ++++++++++++++++++-------------
 src/Package/Manifest.zig |  69 +-------------
 src/main.zig             |  35 +++----
 4 files changed, 269 insertions(+), 145 deletions(-)