Transient data MVP

[That3Percent]

Meta issue for collecting necessary features to support a release for transient data (eg: data over TCP without backward compatibility). This should be batteries included, but not necessarily support backward-compatible files.

• Add documentation to methods and crate #19 - Add documentation
• Move options API to experimental #20 - Move options API to experimental
• Support signed integer types #16 - Signed integer types
• Faster Gorilla Compression #9 - Faster gorilla compression
• Semver policy #21 - Semver policy
• Firestorm release #22 - Firestorm release
• Resolve macro TODOs #23 - Macro TODOs
• Restrict identifiers to ascii & other normal id constraints