Changelog for quickbench-1.0

quickbench changes: 1.0 (pending) - extract tools/simplebench from the hledger repo - stop using error, make safe for reuse - more robust command execution, signal handling, output, error reporting - switch to docopt, options must precede args for now - new UI: full commands are specified by arguments/file/stdin, alternate executables can be specified with -w, flags cleanup - default file for test commands is ./ - -N/--cycles repeats the whole test suite - man page