Hammock v0.2.5: relocatable binary, no nix at runtime

Hammock v0.2.4: paren hl and sci namespace fix

Hammock v0.2.3: Arrow fix, sci_eval error handling, markdown fix

Hammock v0.2.2: Lisp-authoritative keymaps; mode-enum drop

Hammock v0.2.1: perf harness (bench, PTY, ambient)

Hammock v0.2.0: *Messages* buffer for errors; refactor C/clj)

Hammock release v0.1.3

safety