v0.0.5

What's Changed

• feat: support escape sequences in unquoted single-char delimiters by @alecthomas in eccd8a1
• chore: add COPYING file by @alecthomas in 2a9cd70
• bench: add group operator benchmarks (no optimization - already efficient) by @alecthomas in 81760bd
• refactor: simplify select with swap_remove for single index (no significant perf change) by @alecthomas in 9dd4825
• perf: optimise dedupe by storing count with value (~3-6% improvement) by @alecthomas in 3b9156c
• bench: add replace operator benchmarks by @alecthomas in dc0f3f2
• bench: add case operator benchmarks by @alecthomas in 2a9b920
• perf: optimise join flatten with capacity pre-allocation by @alecthomas in 52e517e