v0.7.0

What's Changed

Reduces install size from 155kB to 138kB.

• perf: make arena 10% smaller; store 1 offset + some deltas by @bartveneman in #31
• parsers performance improvements by @bartveneman in #32
• perf: improve treeshake-ability by @bartveneman in #33
• breaking: rename several APIs to match csstree more closely by @bartveneman in #38
• chore: reorganise tests by @bartveneman in #42
• perf: reduce arena function calls by @bartveneman in #43
• breaking: mark parser classes as internal, reduce dts size by @bartveneman in #44

Full Changelog: v0.6.7...v0.7.0