A simple archive format for storing data/metadata pairs.

This format was created to satisfy the following requirements:

• Archives tons of files into a single binary format
• Fast random access to files based on a primary key
• Provides optional zlib (de)compression for individual files
• Convenient storage/access of both data and metadata
• Provides interface for inferring file content-type
• Provides GObject introspectable library for reading/writing shards